Where does “Megera” come from?

Megera (Italian) comes from Ancient Greek Μέγαιρα, from Ancient Greek μεγαίρω, from Ancient Greek μέγας, from Proto-Indo-European meǵh₂s — great.

Ancestry of “Megera”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Μέγαιρα	Megaera; the jealous one
2	Ancient Greek	μεγαίρω	to grudge, envy
3	Ancient Greek	μέγας	big, large; great, mighty, loud; marvelous,...
4	Proto-Indo-European	meǵh₂s	great