Where does “Cydonia” come from?

Cydonia (Latin) comes from Ancient Greek Κυδωνία — Cydonia; quince-tree.

Ancestry of “Cydonia”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Κυδωνία	Cydonia; quince-tree

Cydonia — Etymology, Origin & Word History | Etymology Explorer