Where does “省エネ” come from?

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

省エネ (Japanese): Short for 省エネルギー

Definitions

Short for 省エネルギー

Ancestry of “省エネ”, step by step

Step	Language	Word	Meaning
1	Japanese	省エネルギー	energy conservation; energy saving
2	Japanese	エネルギー	energy
3	German	Energie	energy
4	Ancient Greek	ἐνέργειᾰ	activity, operation, vigour, efficiency

Every word from Ancient Greek ἐνέργειᾰ →Every word from German Energie →Every word from Japanese エネルギー →