Where does “雨燕” come from?

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

雨燕 (Japanese): a Pacific swift (Apus pacificus)

Definitions

  1. a Pacific swift (Apus pacificus)

Ancestry of “雨燕”, step by step

雨燕 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 燕

StepLanguageWordMeaning
1Japanese燕a swallow; a barn swallow
Every word from Middle Chinese 雨 →Every word from Japanese 雨 →