Where does “Ἀμαντία” come from?

Ἀμαντία (Ancient Greek) comes from Ancient Greek Ἄβᾰντες.

Ancestry of “Ἀμαντία”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἄβᾰντες	—

Ἀμαντία — Etymology, Origin & Word History | Etymology Explorer