# ayu

> English word · Noun · IPA /ɑːjuː/ · frequency rank #69,657

## Definitions
1. A sweetfish, an amphidromous fish of East Asia, the only member of its genus and family, Plecoglossus altivelis, named and prized for its sweet-tasting flesh. It is a game fish and is also subject to extensive aquaculture.

## Etymology
From Japanese 鮎 (ayu, “sweetfish”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ayu