Where does “Anfitrite” come from?

Anfitrite (Italian) comes from Ancient Greek Ἀμφιτρίτη — Wife of Poseidon.

Ancestry of “Anfitrite”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἀμφιτρίτη	Wife of Poseidon

Anfitrite — Etymology, Origin & Word History | Etymology Explorer