oval (adj.)youdaoicibaDictYouDict[oval 词源字典]
1570s, from Modern Latin ovalis "egg-shaped" (source of French oval, 1540s), literally "of or pertaining to an egg," from Latin ovum "egg" (see ovary). The classical Latin word was ovatus.[oval etymology, oval origin, 英语词源]
oval (n.)youdaoicibaDictYouDict
1560s, from Middle French ovalle "oval figure," from Medieval Latin ovalis (see oval (adj.)).