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ayu.

A sweetfish, an amphidromous game fish of East Asia of species Plecoglossus altivelis, prized for its sweet-tasting flesh and subject to extensive aquaculture.

3 characters1 syllables approx.English language

Meaning & usage

noun/ɑːjuː/
  1. A sweetfish, an amphidromous game fish of East Asia of species Plecoglossus altivelis, prized for its sweet-tasting flesh and subject to extensive aquaculture.

    uncountable · usually
Where this word comes from

From Japanese 鮎 (ayu, “sweetfish”).

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.