Where does “暴雨” come from?

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

暴雨 (Japanese): a sudden rain; a sudden and strong rain

Definitions

  1. a sudden rain; a sudden and strong rain

Ancestry of “暴雨”, step by step

暴雨 traces back through two separate lines of ancestry.

via Japanese 雨

StepLanguageWordMeaning
1Japanese雨rain, rainfall; a rainy weather; something...
2Middle Chinese雨—

via Japanese 速

StepLanguageWordMeaning
1Japanese速—
Every word from Middle Chinese 雨 →Every word from Japanese 雨 →