nomayoudaoicibaDictYouDict[noma 词源字典]
"A form of gangrene affecting the face, usually caused by a bacterial infection and typically occurring in young children suffering from malnutrition or other disease", Late 17th century: Latin, alteration of nome 'ulcer', from Greek nomē, from nemein 'to feed'.[noma etymology, noma origin, 英语词源]