Where does “肝心” come from?

肝心 (Japanese) comes from Japanese 肝, from Middle Chinese 肝.

肝心 (Japanese): that which is essential or fundamental

Definitions

  1. that which is essential or fundamental

Ancestry of “肝心”, step by step

StepLanguageWordMeaning
1Japanese肝the liver; innards; important part
2Middle Chinese肝—
Every word from Middle Chinese 肝 →Every word from Japanese 肝 →