Word
Kana: なに / なん Romaji: nani / nan Level: N5

Meaning in English

what

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何 - Illustrated Dictionary
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What it means

What does 何 (nani) mean? 何 is the basic Japanese interrogative meaning 'what' and serves to ask about identity, nature, choice, or quantity in questions, functioning as a versatile question word across spoken and written Japanese.

Main meanings

  • 1. Used as a bound morpheme in compounds and set phrases to convey vague or indefinite meanings such as 'some' or 'any'.
  • 2. Before counters and certain words it often shifts to a phonetic variant and asks for numerical or quantitative information.
  • 3. Appears in exclamatory or emphatic forms to express surprise, complaint, or rhetorical questioning.
  • 4. Can form part of idiomatic expressions that change the nuance from literal 'what' to fixed meanings (e.g., pointing to a topic or expressing exasperation).

How to use it

Common in both spoken and written language, it appears in casual questions, polite/formal questions, before counters (with a different phonetic form in some cases), and inside compound words and idioms; choice of reading and politeness level depends on grammar, surrounding particles, and whether it's in conversation, written text, or set expressions.

Variants and close terms

  • 何か (nanika) — something/anything
  • 何でも (nandemo) — anything/no matter what
  • 何故 (naze) — why (formal/neutral)
  • どれ (dore) — which (selecting among items)
  • いくつ (ikutsu) — how many/how old (when counting)

Composition

The kanji combines the person radical 亻 (suggesting relation to people or agents) with the phonetic/semantic component 可; 亻 indicates an association with persons or actions, while 可 contributes sound and a sense of possibility/permission, together forming the character used for the interrogative concept.

Etymology

何 entered Japanese as a Chinese character; its Sino-Japanese (on) reading developed from Middle Chinese phonology and appears in Japanese as (ka), while the native pronunciation evolved separately into the modern interrogative readings.

Origin

The character and its interrogative use arrived with the Chinese writing system during the Asuka–Nara period (circa 5th–8th centuries) and became established in classical Japanese literature and official documents, where it was used to pose questions and form grammatical constructions preserved into modern Japanese.

Word class

Interrogative pronoun (疑問詞)

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