Where does “castagnolese” come from?

castagnolese (Italian) comes from Italian castagnola, from Italian castagna, from Spanish castaña, from Russian кашта́н, from Polish kasztan, from Latin castanea, from Ancient Greek καστάνεια, from Ancient Greek κᾰ́στᾰνᾰ — sweet chestnuts; chestnut.

Ancestry of “castagnolese”, step by step

StepLanguageWordMeaning
1Italiancastagnolafirecracker; damselfish, Mediterranean chromis;...
2Italiancastagnachestnut
3Spanishcastañachestnut; strike, wallop; bun, chignon
4Russianкашта́нchestnut
5Polishkasztanchestnut tree, tree of genus "Castanea";...
6Latincastaneaa chestnut tree; a chestnut
7Ancient GreekκαστάνειαAlternative form of κᾰ́στᾰνᾰ; chestnut
8Ancient Greekκᾰ́στᾰνᾰsweet chestnuts; chestnut
Every word from Ancient Greek κᾰ́στᾰνᾰ