Where does “臍を曲げる” come from?

臍を曲げる (Japanese) comes from Japanese を, from Proto-Japonic wo — accusative marker; away from, off.

臍を曲げる (Japanese): to get angry, to be irritated

Definitions

  1. to get angry, to be irritated

Ancestry of “臍を曲げる”, step by step

臍を曲げる traces back through two separate lines of ancestry.

via Japanese を

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

via Japanese 臍

StepLanguageWordMeaning
1Japanese臍navel
Every word from Proto-Japonic wo →Every word from Japanese を →