TibertyoudaoicibaDictYouDict[Tibert 词源字典]
name of the cat in "Reynard the Fox" (late 15c.), hence used as a proper name for any cat, from Flemish and Dutch Tybert, Old French Tibert. Identified with masc. proper name Tibalt, which is from Old French Thibauld, from Germanic *Theobald (see Theobald).[Tibert etymology, Tibert origin, 英语词源]