The Meaning of ato, ushiro, nochi, go, kou [後] In Japanese

後
あと, うしろ, のち, ご, こう
Romaji: ato, ushiro, nochi, go, kou N5

What does 後 mean?

Translation and Meaning

after, later, behind

Definition

The character 後 means “after” or “behind” and expresses temporal sequence (something occurring later) or spatial position (the area behind something); it functions across grammar as a noun element, an adverbial/time marker, and inside compound words to indicate what comes later or at the back.

Type

noun, adverb, suffix (名詞、副詞、接尾辞)

Stroke Order

Meanings

  • Temporal sequence: an event that follows another in time, used to mark subsequent moments or periods rather than the immediate present.
  • Spatial position: the rear side of a person or object, describing location behind something else.
  • Remainder/afterward: the part that comes next or what remains following a change or event.
  • Compound/technical sense: used in fixed Sino-Japanese compounds to mark later parts of a day, era, or order (often with specialized meanings in formal contexts).
  • Narrative connector: signals what happens next in stories or reports, equivalent to “then” or “afterwards” in narration.

Etymology

後 preserves readings from historical Chinese and native Japanese: the Sino-Japanese on readings derive from Middle Chinese *hòu, producing modern on’yomi written as go and kou (go, kou), while the native kun readings reflect older Japanese words that became associated with the character — ato, ushiro, and nochi (ato, ushiro, nochi) — showing a split between Chinese-derived pronunciations and native vocabulary.

Origin

The concept entered Japanese with kanji adoption from Chinese during the early first millennium; the character appears in classical Chinese texts used by early Japanese scholars and by the Heian period it was fully integrated into written Japanese to mark temporal sequence and spatial relations in literature, official records, and Buddhist writings.

Composition

The character pairs a movement-related element on the left (a step/motion radical suggesting going or sequence) with a right-side element that functions historically as a phonetic/semantic component representing the idea of “rear” or what comes later; together the parts convey motion toward what follows and the notion of “after”/”behind”.

Usage

Used both in everyday speech and in writing: as a temporal marker after time expressions to indicate how long until or after an event, as a noun describing the back/behind of something, and inside compounds where on’yomi (Sino-Japanese) forms appear in more formal or written settings; casual conversation favors native kun readings while formal documents and compound words often use on readings.
💡 Tips
Think “take a step (movement radical) and you end up behind” — link the idea of stepping forward to reaching what comes after to remember 後 (ato/ushiro) = after/behind.

Variations

  • 後ろ (うしろ, ushiro) — behind (spatial synonym)
  • あと (あと, ato) — afterward/after (temporal synonym)
  • のち (のち, nochi) — later/thereafter (literary synonym)
  • 前 (まえ, mae) — before (antonym)
  • 以後 (いご, igo) — thereafter/after (formal compound)

Example Phrases

  • 今日は授業後、充実した気分だ。
    Kyou wa jugyou-go, juujitsu shita kibun da.
    Today after class, I feel fulfilled.
    Lista:
    • 今日は (Kyou wa) – today
    • 授業後 (jugyou-go) – after class
    • 充実した (juujitsu shita) – fulfilling
    • 気分だ (kibun da) – feeling is
    The word 「充実」 is a noun that becomes 「充実した」 when you add した, meaning ‘fulfilling’ as in 「充実した気分」.
  • 運動の後でシャワーを浴びて、さっぱりとした気分になったよ。
    Undō no atode shawā o abite, sappari to shita kibun ni natta yo.
    After exercising, I took a shower and felt refreshed.
    Lista:
    • 運動の後で (undō no atode) – after exercise
    • シャワーを浴びて (shawā o abite) – taking a shower
    • さっぱりとした (sappari to shita) – refreshing
    • 気分 (kibun) – feeling
    • になった (ni natta) – became
    • よ (yo) – you know
    Here, 「さっぱり」 means ‘refreshing/clean’ and is used in 「さっぱりとした気分」 to describe a refreshed feeling.
  • 長い冬休みの後、店の客足が復活した。
    Nagai fuyuyasumi no ato, mise no kyaku-ashi ga fukkatsu shita.
    After a long winter break, the store’s foot traffic revived.
    Lista:
    • 長い (nagai) – long
    • 冬休み (fuyuyasumi) – winter vacation
    • の (no) – of
    • 後 (ato) – after
    • 店 (mise) – store
    • の (no) – of
    • 客足 (kyaku-ashi) – customer foot traffic
    • が (ga) – [subject marker]
    • 復活した (fukkatsu shita) – revived
    This uses the verb form 復活した to show a completed revival; 「復活」 marks revival, here referring to the store’s popularity returning.
  • 昼食後に 一休みしてから、 軽いストレッチをして コーヒーを飲んで、 作業へ戻る。
    Chūshoku go ni hitoyasumi shite kara, karui sutorecchi o shite kōhī o nonde, sagyō e modoru.
    After lunch, I take a short rest, do a light stretch, drink coffee, and return to work.
    Lista:
    • 昼食後に (Chūshoku go ni) – after lunch
    • 一休みしてから (hitoyasumi shite kara) – after taking a short rest
    • 軽いストレッチをして (karui sutorecchi o shite) – doing a light stretch
    • コーヒーを飲んで (kōhī o nonde) – drinking coffee
    • 作業へ戻る (sagyō e modoru) – return to work
    The noun 「一休み」 means a short rest; here it forms the sequence 「一休みしてから」 to indicate doing a break before the next action.
  • 公園の回りを一周した後、友達に会った。
    Kōen no mawari o isshū shita ato, tomodachi ni atta.
    After circling around the park, I met a friend.
    Lista:
    • 公園 (kouen) – park
    • の (no) – possessive/of
    • 回り (mawari) – around / perimeter
    • を (wo) – object marker
    • 一周 (isshū) – one lap / circuit
    • した (shita) – did
    • 後 (ato) – after
    • 友達 (tomodachi) – friend
    • に (ni) – to
    • 会った (atta) – met
    回り means around or circumference; here it is used in 「公園の回りを一周する」 to mean go around the park.
後