LSJ
ων, τά, sweet chestnuts, Mnesith. ap. Ath. 2.54b, v.l. in Gal. 6.621, v.l. in Dsc. 1.106; — also κάστανοι, αἱ, Gal. Vict. Att. 10; καστανίαι (οἱ or αἱ ?) Dsc. l.c. ; καστάναια, τά, IG2². 1013.19; καστάνεια, τά, Heracleon ap. Ath. 2.52b (καστάν<ε>ιος as Adj., φλοιός v.l. in Dsc. Eup. 2.49); βάλανοι καστανικαί Gal. 6.777, 791; καστηνοῦ (gen. sg.) Nic. Al. 269. καστανέα, ἡ, chestnut-tree, Gp. 2.8.4; — also κάστανος, ἡ, Hsch. s.v. καρύαι ; κάστανον, τό, Gp. 10.63.1; derived by the ancients from Καστανέα, a place in Asia Minor (< πόλις Μαγνησίας), EM 493.26 (cf. Καστανὶς αἶα Nic. Al. 271); but cf. Armen. kask; for κάρυον κασταναϊκόν v. κάρυον.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)