infamy (n.)youdaoicibaDictgodict[infamy 词源字典]
early 15c., from Old French infamie (14c.), earlier infame, and directly from Latin infamia "ill fame, bad repute, dishonor, from infamis "of ill fame," from in- "not, without" + fama "reputation" (see fame (n.)).[infamy etymology, infamy origin, 英语词源]