Where does “気が違う” come from?

気が違う (Japanese) comes from Japanese 気, from Middle Chinese 氣 — spirit; breath.

気が違う (Japanese): to go mad, to become insane

Definitions

  1. to go mad, to become insane

Ancestry of “気が違う”, step by step

気が違う traces back through two separate lines of ancestry.

via Japanese 気

StepLanguageWordMeaning
1Japanese気spirit, mood; inclination, will, mood, urge;...
2Middle Chinese氣spirit; breath

via Japanese 違う

StepLanguageWordMeaning
1Japanese違うto be different; to differ (from something)
2Japanese交うtogether, past each other
Every word from Middle Chinese 氣 →Every word from Japanese 気 →