Where does “消化不良” come from?

消化不良 (Japanese) comes from Japanese 消化, from Middle Chinese 消化.

消化不良 (Japanese): indigestion

Definitions

  1. indigestion

Ancestry of “消化不良”, step by step

消化不良 traces back through two separate lines of ancestry.

via Japanese 消化

StepLanguageWordMeaning
1Japanese消化digestion; assimilation; consumption
2Middle Chinese消化—

via Japanese 不良

StepLanguageWordMeaning
1Japanese不良deficiency, inferiority; juvenile delinquent
Every word from Middle Chinese 消化 →Every word from Japanese 消化 →