Where does “夕立は馬の背を分ける” come from?

夕立は馬の背を分ける (Japanese) comes from Japanese を, from Proto-Japonic wo — accusative marker; away from, off.

夕立は馬の背を分ける (Japanese): summer evening shower drenches one side of the street, leaving the other side dry

Definitions

  1. summer evening shower drenches one side of the street, leaving the other side dry

Ancestry of “夕立は馬の背を分ける”, step by step

夕立は馬の背を分ける traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1JapaneseA case particle; A conjunctive particle, usually...
2Proto-Japonicwoaccusative marker; away from, off

via Japanese

StepLanguageWordMeaning
1Japanesewhat about, where is; Inserted between two verbs...
2Old Japanese

via Japanese 分ける

StepLanguageWordMeaning
1Japanese分けるdivide
Every word from Proto-Japonic woEvery word from Japanese