Where does “電力計” come from?

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

電力計 (Japanese): wattmeter

Definitions

  1. wattmeter

Ancestry of “電力計”, step by step

電力計 traces back through two separate lines of ancestry.

via Japanese 電力

StepLanguageWordMeaning
1Japanese電力electricity
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 電力 →