Where does “megamine” come from?

megamine (English) comes from English Mine, from French mine, from Breton min, from Italian mina, from Latin mina, from Gaulish mēnā, from Proto-Celtic *meinis, from Proto-Indo-European mēy(H)nis — to cut, hew.

megamine (English): A very large mine site where minerals are dug up

Definitions

  1. A very large mine site where minerals are dug up

Ancestry of “megamine”, step by step

megamine traces back through two separate lines of ancestry.

via English Mine

StepLanguageWordMeaning
1EnglishMineAlternative letter-case form of mine "often used...
2Frenchminemine; pencil lead; piledriver, scorcher
3Bretonminface of an animal; beak, muzzle
4Italianminamine, land mine; lead in pencils; mine which...
5LatinminaA Greek weight equal to 100 drachmas; A Greek...
6Gaulishmēnāore, mine
7Proto-Celtic*meinisore, metal
8Proto-Indo-Europeanmēy(H)nis
9Proto-Indo-European(s)mēy(H)-to cut, hew

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European (s)mēy(H)-Every word from Proto-Indo-European mēy(H)nisEvery word from Proto-Celtic *meinis