Where does “Grieta” come from?

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

Ancestry of “Grieta”, step by step

Step	Language	Word	Meaning
1	Latvian	Margrieta	Margaret
2	Latvian	Margarita	Margaret
3	Latin	margarīta	—
4	Ancient Greek	μαργαρίτης	pearl; a type of Egyptian plant
5	Proto-Iranian	*mŕ̥ga-ahri-ita-	—

Every word from Proto-Iranian *mŕ̥ga-ahri-ita- →

Grieta — Etymology, Origin & Word History | Etymology Explorer