Etymology

fat choy

Today it means: a blue-green alga (Nostoc flagelliforme) used as a vegetable in Chinese cooking Full definition →

Cantonese 髮菜
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The story

  1. Cantonese · borrowed from髮菜
  2. Cantonese · borrowed from髮菜
  3. English todayfat choy

Borrowed from Cantonese 髮菜 /发菜 (faat³ coi³).

Etymology from Wiktionary, CC BY-SA 4.0.