Where does “mega-watt” come from?

mega-watt (English) comes from English mega-, from Ancient Greek μέγας, from Proto-Indo-European meǵh₂s — great.

mega-watt (English): One million watts, abbreviated as MW

Definitions

  1. One million watts, abbreviated as MW

Ancestry of “mega-watt”, step by step

StepLanguageWordMeaning
1Englishmega-API; Very large, great; In the International...
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European meǵh₂s →Every word from Ancient Greek μέγας →Every word from English mega- →
mega-watt — Etymology, Origin & Word History | Etymology Explorer