Where does “五月雨” come from?

五月雨 (Japanese) comes from Japanese さ, from Middle Chinese 左.

五月雨 (Japanese): a heavy rain that occurs around the fifth lunar...

Definitions

  1. a heavy rain that occurs around the fifth lunar...

Ancestry of “五月雨”, step by step

五月雨 traces back through 3 separate lines of ancestry.

via Japanese さ

StepLanguageWordMeaning
1Japaneseさthird person personal pronoun; they; -ness;...
2Middle Chinese左—

via Japanese 雨

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

via Japanese 五月

StepLanguageWordMeaning
1Japanese五月the month of May; the fifth month of the lunar...
2Middle Chinese月—
Every word from Middle Chinese 左 →Every word from Japanese さ →