Etymology of the Catalan word castanya

Cognates

Dutch kastanje, English chestnut, French châtaigne, German Kastanie, Icelandic kastanía, Italian castagna, Latin castanea, Lithuanian kaštonas, Norwegian kastanje, Polish kasztan, Portuguese castanha, Provençal castanha, Russian кaштaн, Spanish castaña, Swedish kastanj, Yiddish kest