incantation (n.)youdaoicibaDictYouDict[incantation 词源字典]
late 14c., from Old French incantacion "spell, exorcism" (13c.), from Latin incantationem (nominative incantatio) "art of enchanting," noun of action from past participle stem of incantare "bewitch, charm," literally "sing spells" (see enchantment).[incantation etymology, incantation origin, 英语词源]