Where does “quitina” come from?

quitina (Old High German) comes from Latin quidonia, from Latin cotōneum, from Ancient Greek κυδώνιον — quince.

Ancestry of “quitina”, step by step

Step	Language	Word	Meaning
1	Latin	quidonia	—
2	Latin	cotōneum	a quince (fruit)
3	Ancient Greek	κυδώνιον	quince

Words derived from “quitina”

Every word from Ancient Greek κυδώνιον →Every word from Latin cotōneum →Every word from Latin quidonia →