Where does “血圧計” come from?

血圧計 (Japanese) comes from Japanese 計, from Middle Chinese 計.

血圧計 (Japanese): sphygmomanometer

Definitions

  1. sphygmomanometer

Ancestry of “血圧計”, step by step

血圧計 traces back through two separate lines of ancestry.

via Japanese 計

StepLanguageWordMeaning
1Japanese計plan, total; -meter
2Middle Chinese計—

via Japanese 血圧

StepLanguageWordMeaning
1Japanese血圧blood pressure
Every word from Middle Chinese 計 →Every word from Japanese 計 →