Where does “海水魚” come from?

海水魚 (Japanese) comes from Japanese 海水, from Japanese 水, from Old Japanese 水, from Proto-Japonic *mentu — water.

海水魚 (Japanese): saltwater fish

Definitions

  1. saltwater fish

Ancestry of “海水魚”, step by step

海水魚 traces back through two separate lines of ancestry.

via Japanese 海水

StepLanguageWordMeaning
1Japanese海水seawater
2Japanese水water; drinking water; a fluid, liquid
3Old Japanese水water
4Proto-Japonic*mentuwater

via Japanese 魚

StepLanguageWordMeaning
1Japanese魚a fish; a fish, "especially" when used as food; a...
2Middle Chinese魚fish
Every word from Proto-Japonic *mentu →Every word from Old Japanese 水 →Every word from Japanese 水 →