Where does “雨水” come from?

雨水 (Japanese) comes from Japanese 雨, from Middle Chinese 雨.

雨水 (Japanese): rainwater

Definitions

  1. rainwater

Ancestry of “雨水”, step by step

StepLanguageWordMeaning
1Japanese雨rain, rainfall; a rainy weather; something...
2Middle Chinese雨—
Every word from Middle Chinese 雨 →Every word from Japanese 雨 →
雨水 — Etymology, Origin & Word History | Etymology Explorer