Where does “圧力計” come from?

圧力計 (Japanese) comes from Japanese 圧力, from Japanese 力, from Middle Chinese 力 — strength, power.

圧力計 (Japanese): pressure gauge, an instrument to measure the pressure of liquids or gases

Definitions

  1. pressure gauge, an instrument to measure the pressure of liquids or gases

Ancestry of “圧力計”, step by step

圧力計 traces back through two separate lines of ancestry.

via Japanese 圧力

StepLanguageWordMeaning
1Japanese圧力pressure (a force applied to a surface)
2Japanese力strength; power; force; force; ability; capacity
3Middle Chinese力strength, power

via Japanese 計

StepLanguageWordMeaning
1Japanese計plan, total; -meter
2Middle Chinese計—
Every word from Middle Chinese 力 →Every word from Japanese 力 →Every word from Japanese 圧力 →
圧力計 — Etymology, Origin & Word History | Etymology Explorer