deformity (n.)youdaoicibaDictYouDict[deformity 词源字典]
early 15c., diformyte, from Old French deformité "deformity, disfigurement," from Latin deformitatem (nominative deformitas) "ugliness," from deformis "misformed, misshapen," from deformare (see deform).[deformity etymology, deformity origin, 英语词源]