homologous (adj.)youdaoicibaDictYouDict[homologous 词源字典]
1650s, from Greek homologos "agreeing, of one mind," from homos "same" (see homo- (1)) + logos "relation, reasoning, computation," related to legein "reckon, select, speak" (see lecture (n.)).[homologous etymology, homologous origin, 英语词源]