monogamy (n.)youdaoicibaDictgodict[monogamy 词源字典]
1610s, from French monogamie, from Late Latin monogamia, from Greek monogamia, from monogamos "marrying only once," from monos "single, alone" (see mono-) + gamos "marriage" (see gamete).[monogamy etymology, monogamy origin, 英语词源]