Where does “尻尾を出す” come from?

尻尾を出す (Japanese) comes from Japanese 尻尾, from Japanese 尾, from Old Japanese 尾.

尻尾を出す (Japanese): to show one's true colors (colours); to expose one's faults; to give oneself away and run

Definitions

  1. to show one's true colors (colours); to expose one's faults; to give oneself away and run

Ancestry of “尻尾を出す”, step by step

尻尾を出す traces back through 3 separate lines of ancestry.

via Japanese 尻尾

StepLanguageWordMeaning
1Japanese尻尾tail
2Japanese尾a tail; the foot of a mountain; the end of...
3Old Japanese尾—

via Japanese を

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

via Japanese 出す

StepLanguageWordMeaning
1Japanese出すto take out, to get out; to put forth; to show or...
2Old Japaneseいたす—
Every word from Old Japanese 尾 →Every word from Japanese 尾 →Every word from Japanese 尻尾 →