resinyoudaoicibaDictYouDict[resin 词源字典]
resin: [14] Resin comes via Old French resine and Latin resīna from Greek rhētínē ‘resin’, a word of unknown origin. A collateral form that arose in medieval Latin was rosīna, which has given English rosin [14].
=> rosin[resin etymology, resin origin, 英语词源]
resin (n.)youdaoicibaDictYouDict
late 14c., from Old French resine "gum, resin," and directly from Latin resina "resin," from Greek rhetine "resin of the pine," of unknown origin.