polysemy (n.)youdaoicibaDictYouDict[polysemy 词源字典]
1900, from French polysémie (1897), from Medieval Latin polysemus, from Greek polysemos "of many senses," from poly- (see poly-) + sema "sign" (see semantic). Related: Polysemic.[polysemy etymology, polysemy origin, 英语词源]