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The へ Particle: Direction Marker

The へ particle is the Japanese direction marker: a 格助詞 (case particle) that attaches to a place noun and points a motion verb at it.1 It is written with the kana for /he/ but read /e/. At JLPT N5, it sits alongside に, で, を, から, まで, and より as one of the foundation particles a learner meets in the first ten lessons.2 3 4

Overview

What the へ particle does

へ marks the direction or goal of motion. The デジタル大辞泉 gloss is "動作・作用の移動・進行する目標地点・方向を表す" ("marks the target point or direction toward which an action or motion moves and progresses").5 The Tokyo University of Foreign Studies language modules give the same role as "移動の方向や着点を表わします" ("marks the direction or arrival point of motion").6

The particle is restricted to motion contexts. It attaches to a place noun, and the verb to its right must express going, coming, returning, heading, or arriving.7 3 The canonical N5 set is 行く ("go"), 来る ("come"), and 帰る ("return home"). At N4, the set extends to 向かう, 出かける, 戻る, and 着く.3 4

東京とうきょうきます。3
"I will go to Tokyo."

いえかえる。8
"I return home."

飛行機ひこうきみなみんでいきます。6
"The airplane is flying southward."

The role へ assigns overlaps with destination- on a motion verb, but the two are not identical. へ frames the noun as a direction (a vector, a route toward), while に pins it as an arrival point (a discrete location).7 9 10 This construal split is the central teaching contrast and is treated in its own section below.

Why it is written へ but read "e"

The particle へ is written with the kana for /he/ but read /e/ in modern standard Japanese. The rule is fixed by the 1986 cabinet directive 『現代仮名遣い』 (内閣告示第一号). This directive preserves the historical-kana spellings of the three particles , , and へ as a deliberate exception to the otherwise phonetic modern spelling system.2

The pronunciation /e/ comes from a sound change completed by the Late Middle Japanese period. The ハ-row syllables first lenited from /pa, pi, pu, pe, po/ to /ɸa, ɸi, ɸu, ɸe, ɸo/. Then, in non-initial position, they shifted to /wa, wi, wu, we, wo/, with /we/ later merging into plain /e/. The change is traditionally called ハ行転呼はぎょうてんこ (the "ha-row sound shift").11 The pre-1946 spelling kept the ハ-row kana for the particle even though the spoken value had long since shifted. The 1946 and 1986 reforms preserved this spelling convention rather than respelling the three particles.2

/e/ applies only when へ is a particle

The /e/ reading is restricted to the particle slot. The same kana inside a noun or stem keeps its /he/ value: 部屋 is read heya ("room"), 平和 is read heiwa ("peace"), and 下手 is read heta ("unskilled"). For more on this three-member exception class, see the dedicated article on hiragana spelling exceptions.2

部屋へやはいる。8
"I enter the room."

平和へいわかう。8
"Head toward peace."

In the first example, へや is read /heya/ and the particle is read /e/. In the second, へいわ is read /heiwa/ and the particle is again /e/. The kana surface is the same; the reading depends entirely on whether the kana is part of a content word or sitting in the particle slot.

JLPT level and where へ sits in the case-particle family

へ is an N5 grammar point. Bunpro's grammar index and JLPTsensei's index list it as N5, and it appears on motion-verb destinations in the JLPT N5 official practice workbook without a separate gloss.12 13 14 Standard N5 textbooks introduce it in the first ten lessons. Genki I introduces へ and に as interchangeable goal-of-motion markers in Chapter 3, and Minna no Nihongo I introduces the [place] へ [motion verb] pattern in Lesson 5.3 4

Within the inner ring of foundational case particles, へ holds the direction-of-motion slot. The slot is not redundant with に, because the contrast is one of construal (vector vs pin), not of identical meaning.7 1 10

ParticleSlot held in the case-particle family
subject
direct object, path
destination, location of existence, recipient, time point, agent, end-state
location of action, instrument, cause
direction of motion
からsource, starting point
までlimit, endpoint
よりcomparison, "from" in formal contexts

Most N5 textbooks teach に first because it is the higher-frequency particle and the safe default in speech, and they introduce へ as the next slot once destination-に is solid.3 4

Form and basic usage

The core pattern: [Place] + へ + [motion verb]

The canonical pattern is [place noun] + へ + [motion verb]. The place noun names where the motion is directed. The motion verb names the act of going, coming, returning, heading, or arriving. The particle attaches directly to the place noun with nothing in between.7 3 4 6

The canonical N5 set of motion verbs that license へ is 行く ("go"), 来る ("come"), and 帰る ("return home"). At the N5 stage, all three are interchangeable with に in this slot; the construal distinction is taught later or as a register footnote.3 14 The wider N4 set adds 向かう ("head toward"), 出かける ("set out"), 戻る ("return, go back"), 着く ("arrive at"), 進む ("advance toward"), and 移る ("move to").7 6 8

学校がっこうてください。3
"Please come to the school."

神戸こうべく。13
"I'm going to Kobe."

えきかっています。8
"I'm heading toward the station."

The particle also attaches to verbs of natural motion, such as an airplane flying south, a river flowing toward the sea, or the wind blowing north. In these cases, it consistently selects the directional or vector construal over the arrival-point construal.6 10

Worked examples

The three canonical N5 sentences pair a place noun with one of the three foundation motion verbs. If you can produce them, you have the core construction.3 4

東京とうきょうきます。3
"I will go to Tokyo."

学校がっこうてください。3
"Please come to the school."

いえかえろう。8
"Let's go home."

The construction does not change when the sentence is questioned, negated, or made volitional. Tense, mood, and politeness attach to the verb; the particle stays put.13 14

どこへったんですか。14
"Where did you go?"

The construction also does not change when other arguments are added. A subject phrase with は or が, an object with を, a time word, or a purpose-に phrase can all appear with [place] + へ in a single clause.3 14

北海道ほっかいどうへスキーにく。14
"I'm going to Hokkaido to ski."

In that last sentence, direction-へ marks the destination and purpose-に marks the activity. Both appear in the same clause without interfering with each other.

What へ cannot attach to

へ is licensed only by motion verbs and by motion-like extensions of them. It does not attach to time points, indirect-object recipients on non-motion verbs, locations of existence with ある / いる, purpose-of-motion verb stems, agents in passives, or end-states of change. に, not へ, holds each of these slots.7 1 6

The diagnostic is mechanical: if the verb does not express going, coming, returning, heading, arriving, or directed natural motion, へ does not attach. The seven cells where へ fails and に succeeds mirror the に inventory:7 1

Slotに form (correct)へ form (ungrammatical)
Time point三時に 会議が 始まる×三時へ 会議が 始まる
Recipient on transfer verbs友達に メールを 送る×友達へ メールを 送る (in the "send to" sense)
Location of existence公園に 子供が いる×公園へ 子供が いる
Purpose of motion (verb-stem)食べに 行く×食べへ 行く
Passive agent先生に 叱られた×先生へ 叱られた
Result of change先生に なる×先生へ なる
Standard of comparison駅に 近い×駅へ 近い

三時さんじ会議かいぎはじまります。13
"The meeting begins at three o'clock."

公園こうえん子供こどもがいます。6
"There are children in the park."

べにきます。4
"I'm going to eat."

先生せんせいになる。7
"I'll become a teacher."

The recipient-へ trap

The letter-address opener 山田様へ ("To Mr. / Ms. Yamada") might suggest that へ is a general recipient marker. It is not. The verb 出す in 山田さんに 手紙てがみした ("I sent Mr. Yamada a letter") takes recipient-に, never recipient-へ.7 13 The letter-form 様へ is a fixed convention, not a productive use of the particle. The section on letters and parcels below treats it as such.

Stacked and attributive forms

Unlike most case particles, へ keeps its form before a following noun in the attributive construction [noun] + への + [noun]. The result is a noun-modifying phrase meaning "to / toward [noun]." Only a small number of case particles (へ, から, まで, ) license this の-bridge to a following noun.7 13 8

The の-bridge is obligatory in the attributive use: ×東京へ 手紙てがみ is ungrammatical as a noun phrase, and the の must be present.13

東京とうきょうへの手紙てがみ8
"A letter to Tokyo."

成功せいこうへのみちのり。8
"The road to success."

へ also stacks with the topic and focus particles and to form へは ("as for going to X") and へも ("also to X"). The case particle stays in place, and the topic or focus particle layers on top.15

東京とうきょうへはきません。15
"I won't go to Tokyo." (Implication: but I'll go elsewhere.)

大阪おおさかへもきました。15
"I went to Osaka too."

A further stacked form, へと, appears in formal and literary registers. It frames the direction as a vector the motion gradually moves along. 杉村 (2004) documents へと as a marked literary alternant of bare へ in advertising copy and slogans.9 16 N5 learners can treat へと as something to recognize rather than a form to produce.

へ vs. に: the direction-versus-endpoint distinction

The one-line rule

When both particles are licensed, meaning there is a motion verb and a place noun, the contrast between へ and に is one of construal, not of truth-conditional meaning.7 9 10

  • marks the direction the motion is oriented along. The destination is construed as the vector or route the motion follows; arrival is implied but not foregrounded.5 6 10
  • marks the arrival point. The destination is construed as a fixed location the motion lands on. Arrival is foregrounded; the path is in the background.7 10

The split is easier to see as a single axis with one particle at each pole. Place a motion sentence on the axis and the choice of particle follows.

Goodcross frames the same axis in Japanese: "「に」は到達とうたつする場所ばしょ焦点しょうてんてた表現ひょうげんです。一方いっぽう、「へ」は…到達点とうたつてんはもちろんのこと、そこにかう経路けいろ方向性ほうこうせいにも焦点しょうてんてられます。" ("に focuses on the arrival point. へ, by contrast, focuses on the arrival point but also on the route and direction toward it.")10

Frellesvig's diachronic gloss reaches the same place from a historical angle. In Old Japanese, へ was underdeveloped, and に carried the general locative and allative load. In the Heian period, へ emerged as the marker of direction of movement, while に retained the arrival-point use. The modern construal split is the synchronic residue of that historical division of labor.11 9

For the N5 learner, the takeaway is short: either particle is grammatical with 行く / 来る / 帰る. に is the unmarked default, and へ adds a vector flavor and a slightly more written or formal feel.7 8 10

東京とうきょうく。10
"I'm going to Tokyo." (Pin on the arrival point.)

東京とうきょうく。10
"I'm going to Tokyo." (Vector / direction; slightly more formal feel.)

台風たいふうきたかっている。10
"The typhoon is heading north."

The typhoon sentence is the clearest case: there is no fixed endpoint, only a trajectory, and へ is the natural choice.

When the two are interchangeable

With the three canonical motion verbs 行く, 来る, and 帰る, and with the wider motion-verb set, に and へ can substitute for each other. Switching one for the other yields a grammatical sentence with a subtle construal shift but no change in truth conditions.7 3 8 14

The swap is stylistic, not grammatical. In casual conversation, native speakers default to に. In formal writing, signage, titles, and song lyrics, the same sentence often surfaces with へ.7 16 8 Genki and Minna no Nihongo both teach the two forms as acceptable at N5 and defer the construal distinction to N4 or N3.3 4

学校がっこうきます。3
"I go to school."

学校がっこうきます。14
"I go to school."

The two sentences describe the same event; the choice of particle reframes whether the school is presented as a pin on the map (に) or as the direction the speaker is moving along (へ).

Interchangeability is one-way

Every motion-verb sentence with へ also accepts に, but the reverse is not true. に has six other functions that へ cannot fill: time, recipient, existence, purpose, agent, and end-state. So a swap from に to へ fails the moment the sentence steps off the motion-destination slot.7 6

When only に works

For the six non-directional functions of に, へ is ungrammatical. The cells are the same ones listed under "What へ cannot attach to" above. The full inventory of に is covered in the dedicated に particle article.7 1 6

7時しちじきます。12
"I wake up at 7 o'clock."

友達ともだちほんをあげた。7
"I gave a book to my friend."

東京とうきょうんでいます。6
"I live in Tokyo."

された。7
"I was bitten by a mosquito."

When in doubt, default to に. The cells where へ wins are limited to motion-verb destinations and to a small set of conventional and stylistic uses. The cells where に wins span most of the rest of beginner grammar.7 8

When へ feels more natural

Several environments tilt the choice toward へ. The tilt is one of frequency in native speech and writing, not of grammaticality. に would still be acceptable in most of these cases.9 16 8 10

The first environment is abstract or open-ended destinations without a defined arrival point. The vector construal fits non-physical targets, such as a state, an era, or an emotion, better than the pin construal, because an arrival point assumes a discrete location.8

未来みらいかってあるく。8
"Walk toward the future."

海外かいがいきたい。8
"I want to go abroad."

The second is trajectories where the endpoint is not foregrounded. The motion verb selects the route, and the place noun names the bearing rather than a discrete pin.6 10

飛行機ひこうきみなみんでいきます。6
"The airplane is flying southward."

The third is letters, parcels, and dedications (山田様へ, お母さんへ, 先生へ), treated in its own section below.13 8

The fourth is titles, headlines, song lyrics, slogans, and advertising copy. 杉村 (2004) documents the over-indexed use of へ in advertising copy, where the vector framing reads as more aspirational and forward-looking than the static pin of に.16 精選版 日本国語大辞典 records that へ "盛んに用いられるのは中世以降である" ("comes into vigorous use from the medieval period onward"). It also notes that in some aspirational and written uses, へ has "come to surpass に" ("現代では同用法の『に』をしのぐに至っている").9

Nuance and usage contexts

Written, formal, and literary halo

In aggregate, へ over-indexes in written, formal, and literary registers, while に dominates everyday speech. The tilt is gradual, not absolute: both particles appear in both registers, but their default homes differ.7 9 16 8

杉村 (2004) documents the elevated frequency of へ in advertising copy and slogans, where the directional construal reads as forward-looking and aspirational.16 精選版 日本国語大辞典 records the modern register tilt toward written and aspirational use.9 The tilt depends on genre: signage and announcements lean heavily toward へ (出口へ "to the exit," 東京へようこそ "welcome to Tokyo"), while textbooks and classroom conversation lean heavily toward に.16 13

The asymmetry has a practical consequence. Switching に to へ in a formal text rarely produces an error. Switching へ to に in a song title or slogan often produces a flatter, less aspirational line. The marked member is へ.16 8

Bookish in casual speech

Using へ in everyday conversation reads as stiff or bookish to native ears. どこへ きますか sounds more formal than どこに きますか, and over-using へ at the dinner table marks the speaker as someone reading from a textbook. Default to に in speech. Reserve へ for writing, signage, and aspirational copy.7 16 8

Letters, parcels, and dedications

The convention for addressing letters, parcels, gift tags, and personal notes is fixed: the addressee's name takes へ, not に.13 8 The matching closing on the signature line uses より ("from"), giving a paired [addressee]へ / [sender]より frame at the top and bottom of the note.13 8

山田やまださま13
"To Mr. / Ms. Yamada."

先生せんせい13
"To Teacher."

田中たなかより13
"From Tanaka."

The convention is deeply entrenched in printed and handwritten Japanese. For many learners, it is the first place they see へ before they meet it as a motion-verb destination. Substituting に on a letter address (×山田様に on the envelope line) sounds wrong even to native speakers, despite に being the grammatical recipient marker in transfer sentences such as 山田さんに 手紙てがみした.7 13 8

The construction is conventional, not productive. The [addressee]へ slot is a fixed letter-form opener: it cannot be extended to invent new uses of へ as a recipient marker on regular verbs.13

Song, film, and book titles

The [destination]へ pattern is one of the most productive title and headline templates in Japanese popular media. Song titles, film titles, book titles, and newspaper headlines use the bare [noun]へ frame, often with no following verb, to encode a directional and aspirational stance.16 8

The construction works because Japanese tolerates particle-final noun phrases as titles and headlines. The reader supplies the missing motion verb pragmatically as "going to / toward [noun]."16 The same compact frame carries into signage and advertising copy, where the bare [noun]へ pattern signals a planned or aspirational trajectory without needing a finite verb.16

未来みらいへ。8
"To the future."

うみへ。8
"To the sea."

故郷こきょうへ。16
"To one's hometown."

The template is productive in headlines and printed copy, not in conversation. A spoken sentence still needs a finite motion verb. The bare [noun]へ frame is a print-and-display convention.

Abstract destinations

When the destination of motion is abstract, such as a state, a time, an era, or an emotion, rather than a physical place, へ is the more natural choice. The vector construal fits non-physical targets better than the pin construal. An arrival point assumes a discrete location, while a direction can be assigned to a moral, temporal, or aspirational target.9 8

The canonical inventory of abstract destinations is short and recurrent: 未来へ ("toward the future"), 過去へ ("toward the past"), 次の時代へ ("toward the next era"), 平和へ ("toward peace"), 自由へ ("toward freedom"), 成功へ ("toward success"), 目標へ ("toward one's goal").9 8

未来みらいすすむ。8
"Advance toward the future."

平和へいわかう。8
"Head toward peace."

目標もくひょうかって頑張がんばる。8
"Work hard toward one's goal."

The same vector construal carries over into the noun-modifying form: 未来への 希望きぼう ("hope for the future"), 平和への みち ("the path to peace"), 成功への かぎ ("the key to success").13 8 The synchronic preference for へ with abstract targets traces back to the particle's origin in the noun 辺 ("vicinity, edge"). A "direction toward the vicinity of X" reading still resists being pinned to a discrete location, which is exactly the condition an abstract destination meets.9

Good to know

Why へ is romanised "e," not "he"

All three principal romanisation systems in current use, Modified Hepburn, Kunrei-shiki, and the cabinet-notification romaji standard, write the particle as "e," matching its modern pronunciation rather than the kana value.2 17 A learner who romanises 学校へ行く as "Gakkō he iku" is matching the kana surface but missing the spoken form. The correct Modified Hepburn is "Gakkō e iku."2

A small number of older dictionaries and learner resources gloss the particle as "he" in citation form, listing the kana value, but this is a citation convention, not a transcription of speech. The 1986 cabinet directive and modern broadcast standards both prescribe /e/ as the spoken value.2 The spelling-vs-pronunciation gap parallels は (written は, pronounced /wa/) and を (written を, pronounced /o/). The three particles form a fixed three-member exception class in the modern kana system.2

"Arrow へ, pin に"

A two-shape mnemonic covers the synchronic contrast. へ is the arrow: it points the way along a vector. に is the pin: it lands on a discrete location.8 10 An arrow can point at an abstract direction, such as the future, the sea, or peace, in a way a pin cannot. A pin can land on a discrete time (3時) or a recipient (友達) in a way an arrow cannot.8

The shapes are a teaching aid, not a grammatical claim. The actual semantic contrast is the construal split documented in reference grammars and corpus studies. The mnemonic survives in pedagogy because it generalises cleanly across abstract and concrete uses alike.7 10

Why textbooks teach に first

Standard N5 sequences introduce に before へ, even though both are taught in the same chapter or within one lesson of each other. The reason is workload: に is the higher-frequency particle and the safe default in everyday speech. A learner who knows only に can manage a full beginner conversation, while a learner who knows only へ cannot, because に carries all six non-directional functions.3 4

Genki introduces に in the destination slot, then in the existence slot, then in the time slot. It presents へ as "an alternative form for direction of motion" once destination-に is solid. Minna no Nihongo follows the same sequence.3 4 The order has nothing to do with formality or difficulty; the driver is the multi-function load of に versus the single-function role of へ.7 1

The 辺 origin of へ

The particle へ derives from the Old Japanese noun 辺 (he, "vicinity, edge, area near X").11 9 The grammaticalization path runs from noun to directional case particle. A phrase like 山の辺 ("the vicinity of the mountain") came to function as "toward the mountain," and the 辺 reduced to a bound particle.9

The historical trajectory is sketched the same way by Frellesvig and by the Shōgakukan dictionaries. In the Nara period, へ is underdeveloped as a case particle and に carries the general locative and allative load. In the Heian period, へ emerges with the specific function of marking direction of movement, while に retains the arrival-point use. The division of labor (vector vs endpoint) dates from this stage. From the medieval period onward, へ "comes into vigorous use" ("盛んに用いられるのは中世以降である"). In modern Japanese it has, in some written and aspirational uses, "come to surpass に" ("現代では同用法の『に』をしのぐに至っている").11 9

The synchronic residue is the construal split a learner meets today. The particle still carries a faint "in the direction of, toward the vicinity of" meaning, which is why abstract and open-ended destinations sound more natural with it. The vector construal descends from 辺's "vicinity" meaning. It is not an arbitrary modern stylistic preference.11 9

Attaching へ to a time word

A frequent beginner error is treating へ as a general "to" particle and attaching it to a clock time, day, or month: ×三時さんじ会議かいぎはじまる. The correct form uses に:7 1

三時さんじ会議かいぎはじまる。13
"The meeting begins at three o'clock."

へ is licensed only by motion verbs and selects a direction or destination of motion. A clock time is a temporal pin, not a directional target. The case particle for temporal pins is に.7 6

Using へ with stative verbs (ある / いる / 住む)

A second frequent error pairs へ with an existence verb: ×公園こうえん子供こどもが いる. The correct form uses に:6

公園こうえん子供こどもがいる。6
"There are children in the park."

ある, いる, and 住む are stative existence verbs, not motion verbs. They describe a state at a point, not movement toward a point. The case particle for the state-anchor is に. へ requires a motion verb to its right.7 6

Stacking へ with に (×へに, ×にへ)

Modern Japanese does not stack two case particles on the same noun. ×東京とうきょうへに く and ×東京とうきょうにへ く are both ungrammatical. The correct form takes one or the other:7 1

東京とうきょうく。7
"I'm going to Tokyo."

へ and に are alternatives in the destination slot, and a noun takes one or the other but never both. The stacked forms that do exist (へは, へも, へと) layer a topic, focus, or quotative particle on top of へ, not a second case particle.1 15

See also

References

Footnotes

  1. 庵功雄 (Iori, Isao). 『新しい日本語学入門』(Atarashii Nihongogaku Nyūmon), 2nd ed. スリーエーネットワーク (3A Network), 2012. ISBN 978-4-88319-606-5. Chapters on 格助詞 (case particles); treatment of へ as a directional case particle alongside に, で, を, から, まで, より. 2 3 4 5 6 7 8 9

  2. 文化庁 (Agency for Cultural Affairs). 『現代仮名遣い』(Gendai Kanazukai). 内閣告示第一号 (Cabinet Notification No. 1), 1986. Section: 本文 第2「表記の慣習による特例」. https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kijun/naikaku/gendaikana/honbun_dai2.html 2 3 4 5 6 7 8

  3. Banno, Eri, Yoko Ikeda, Yutaka Ohno, Chikako Shinagawa, and Kyoko Tokashiki. Genki I: An Integrated Course in Elementary Japanese, 3rd ed. The Japan Times, 2020. ISBN 978-4-7890-1730-5. Chapter 3 introduces へ and に as interchangeable goal-of-motion markers with 行く, 来る, 帰る, and notes that へ is read /e/ and is restricted to motion verbs. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  4. スリーエーネットワーク (3A Network). 『みんなの日本語 初級I 本冊』(Minna no Nihongo Shokyū I), 2nd ed. 3A Network, 2012. ISBN 978-4-88319-603-4. Lesson 5 introduces the [place] へ [motion verb] pattern alongside the [place] に [motion verb] pattern. 2 3 4 5 6 7 8 9 10

  5. デジタル大辞泉 (Digital Daijisen). 小学館 (Shōgakukan). Entry: 「へ」(助詞). Accessed via Kotobank. https://kotobank.jp/word/%E3%81%B8-623662 . Quoted on the definitional gloss ("動作・作用の移動・進行する目標地点・方向を表す"). 2

  6. Tokyo University of Foreign Studies, Language Modules. 「格助詞「へ」」. 東京外国語大学言語モジュール 日本語文法モジュール. https://www.coelang.tufs.ac.jp/mt/ja/gmod/contents/explanation/053.html . Definitional gloss ("移動の方向や着点を表わします") and worked examples. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

  7. Makino, Seiichi, and Michio Tsutsui. A Dictionary of Basic Japanese Grammar. The Japan Times, 1986. ISBN 978-4-7890-0454-1. Entry: "e" (particle marking goal / direction of motion). 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

  8. Tofugu. "Particle へ: For Marking Direction." https://www.tofugu.com/japanese-grammar/particle-he/ (limitation: language-learning publisher; used for verified pedagogical examples, the "arrow" intuition gloss, abstract-destination uses, and the への attributive form.) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

  9. 精選版 日本国語大辞典 (Seisen-ban Nihon Kokugo Daijiten). 小学館 (Shōgakukan). Entry: 「へ」(助詞). Accessed via Kotobank. https://kotobank.jp/word/%E3%81%B8-623662 . Quoted on the noun-origin etymology ("語源は…『あたり』を意味する名詞『へ』にあり") and the historical-spread note ("盛んに用いられるのは中世以降である", "現代では同用法の『に』をしのぐに至っている"). 2 3 4 5 6 7 8 9 10 11 12 13 14 15

  10. 「方向を表す「に」と「へ」の使い分け」. Goodcross. https://www.goodcross.com/words/22750-2021 (limitation: Japanese-language pedagogy site; used for the 経路 (route / direction) vs 到達点 (arrival point) framing in Japanese-native terms, and the typhoon-trajectory example pattern.) 2 3 4 5 6 7 8 9 10 11 12 13 14 15

  11. Frellesvig, Bjarke. A History of the Japanese Language. Cambridge University Press, 2010. ISBN 978-0-521-65320-6. Treatment of Old Japanese case particles, the derivation of へ from the noun 辺 (he, "vicinity, edge"), and the chronological spread of へ from the Nara into the Heian period. 2 3 4 5

  12. 国際交流基金・日本国際教育支援協会 (Japan Foundation & Japan Educational Exchanges and Services). Japanese-Language Proficiency Test Official Practice Workbook N5 / 『日本語能力試験 公式問題集 N5』. 凡人社, 2012. ISBN 978-4-89358-840-1. Official JLPT N5 practice materials use へ on motion-verb destinations from the first reading passages. 2

  13. Bunpro. "へ (JLPT N5 Grammar Point)." https://bunpro.jp/grammar_points/%E3%81%B8 (limitation: language-learning publisher; used for JLPT-level confirmation, verified beginner example forms, the letter-salutation use, and the への attributive form.) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

  14. JLPTsensei. "JLPT N5 Grammar: に/へ (ni/e) Directional Particle Meaning." https://jlptsensei.com/learn-japanese-grammar/%E3%81%AB-%E3%81%B8-ni-e-directional-particle-meaning/ (limitation: language-learning publisher; used for JLPT-level confirmation and verified N5 example sentences with へ.) 2 3 4 5 6 7 8

  15. Maggie Sensei. "How to combine particles ~は (では, には, へは, とは, からは, までは)." https://maggiesensei.com/2025/01/13/how-to-combine-particles-%EF%BD%9E-%E3%81%AF-%EF%BC%88%E3%81%A7%E3%81%AF-%E3%81%AB%E3%81%AF-%E3%81%B8%E3%81%AF-%E3%81%A8%E3%81%AF-%E3%81%8B%E3%82%89%E3%81%AF-%E3%81%BE%E3%81%A7/ (limitation: pedagogy blog; used for the stacked-particle inventory (へは, へも) and verified example forms.) 2 3 4

  16. 杉村泰 (Sugimura, Yasushi). 「広告コピーに見る格助詞「へ」の用法について」. 『言葉と文化』第5号, 名古屋大学大学院国際言語文化研究科, 2004, pp. 165–180. https://www.lang.nagoya-u.ac.jp/nichigen/issue/pdf/5/5-11.pdf . Academic study of the over-indexed use of へ in advertising copy, slogans, and headlines. 2 3 4 5 6 7 8 9 10 11 12 13

  17. Wikipedia contributors. "Japanese particles." Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Japanese_particles (limitation: encyclopedic reference; used only for the standard taxonomic label 格助詞 / kakujoshi and the case-particle inventory.)