Where does “省エネルギー” come from?

省エネルギー (Japanese) comes from Japanese エネルギー, from German Energie, from Ancient Greek ἐνέργειᾰ — activity, operation, vigour, efficiency.

省エネルギー (Japanese): energy conservation; energy saving

Definitions

  1. energy conservation; energy saving

Ancestry of “省エネルギー”, step by step

省エネルギー traces back through two separate lines of ancestry.

via Japanese エネルギー

StepLanguageWordMeaning
1Japaneseエネルギーenergy
2GermanEnergieenergy
3Ancient Greekἐνέργειᾰactivity, operation, vigour, efficiency

via Japanese

StepLanguageWordMeaning
1Japanesesaving, conservation; ministry
2Middle Chinese

Words derived from “省エネルギー

Every word from Ancient Greek ἐνέργειᾰEvery word from German EnergieEvery word from Japanese エネルギー