Where does “megaregolith” come from?

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

megaregolith (English): A layer of fractured bedrock beneath the lunar...

Definitions

  1. A layer of fractured bedrock beneath the lunar...

Ancestry of “megaregolith”, step by step

megaregolith traces back through two separate lines of ancestry.

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat

via English regolith

StepLanguageWordMeaning
1EnglishregolithThe layer of loose rock, dust, sand, and soil,...
2Ancient Greekῥῆγοςblanket, coverlet; cover, cushion
Every word from Proto-Indo-European meǵh₂sEvery word from Ancient Greek μέγαςEvery word from English mega
megaregolith — Etymology, Origin & Word History | Etymology Explorer