Where does “kasztanowy” come from?

kasztanowy (Polish) comes from Polish kasztan, from Latin castanea, from Ancient Greek καστάνεια, from Ancient Greek κᾰ́στᾰνᾰ — sweet chestnuts; chestnut.

kasztanowy (Polish): chestnut

Definitions

chestnut

Ancestry of “kasztanowy”, step by step

Step	Language	Word	Meaning
1	Polish	kasztan	chestnut tree, tree of genus "Castanea";...
2	Latin	castanea	a chestnut tree; a chestnut
3	Ancient Greek	καστάνεια	Alternative form of κᾰ́στᾰνᾰ; chestnut
4	Ancient Greek	κᾰ́στᾰνᾰ	sweet chestnuts; chestnut

Every word from Ancient Greek κᾰ́στᾰνᾰ →Every word from Ancient Greek καστάνεια →Every word from Latin castanea →