Where does “kdoule” come from?

kdoule (Czech) comes from Old Czech kdúle, from Proto-Slavic kъduňa, from Latin cydōnia, from Ancient Greek Κυδωνία — Cydonia; quince-tree.

kdoule (Czech): quince

Definitions

Step	Language	Word	Meaning
1	Old Czech	kdúle	—
2	Proto-Slavic	kъduňa	quince
3	Latin	cydōnia	—
4	Ancient Greek	Κυδωνία	Cydonia; quince-tree

kdoule — Etymology, Origin & Word History | Etymology Explorer