Where does “Andreati” come from?

Andreati (Medieval Latin) comes from Latin Andreas, from Ancient Greek Ἀνδρέας, from Ancient Greek ἀνήρ, from Proto-Hellenic *anḗr — man.

Ancestry of “Andreati”, step by step

StepLanguageWordMeaning
1LatinAndreasAndrew
2Ancient GreekἈνδρέας—
3Ancient Greekἀνήρman; husband; human being, as opposed to a god
4Proto-Hellenic*anḗrman
Every word from Proto-Hellenic *anḗr →Every word from Ancient Greek ἀνήρ →Every word from Ancient Greek Ἀνδρέας →