Where does “Margarita” come from?

Margarita (Latin) comes from Ancient Greek μαργαρίτης, from Proto-Iranian *mŕ̥ga-ahri-ita-.

Ancestry of “Margarita”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	μαργαρίτης	pearl; a type of Egyptian plant
2	Proto-Iranian	*mŕ̥ga-ahri-ita-	—

Margarita — Etymology, Origin & Word History | Etymology Explorer