Where does “降水量” come from?

降水量 (Japanese) comes from Japanese 量, from Middle Chinese 量.

降水量 (Japanese): precipitation, rainfall

Definitions

  1. precipitation, rainfall

Ancestry of “降水量”, step by step

降水量 traces back through two separate lines of ancestry.

via Japanese 量

StepLanguageWordMeaning
1Japanese量volume, amount; pramana; Form of 量り
2Middle Chinese量—

via Japanese 降水

StepLanguageWordMeaning
1Japanese降水fallen rain, rainfall, precipitation
Every word from Middle Chinese 量 →Every word from Japanese 量 →