Where does “海魚” come from?

海魚 (Japanese) comes from Japanese 海, from Old Japanese うな.

海魚 (Japanese): sea fish

Definitions

  1. sea fish

Ancestry of “海魚”, step by step

海魚 traces back through two separate lines of ancestry.

via Japanese 海

StepLanguageWordMeaning
1Japanese海a sea, an ocean; a lake; an object covering over...
2Old Japaneseうな—

via Japanese 魚

StepLanguageWordMeaning
1Japanese魚a fish; a fish, "especially" when used as food; a...
2Middle Chinese魚fish
Every word from Old Japanese うな →Every word from Japanese 海 →
海魚 — Etymology, Origin & Word History | Etymology Explorer