enharmonic (adj.)youdaoicibaDictYouDict[enharmonic 词源字典]
c. 1600, in reference to Greek music, from Late Latin enharmonicus, from Greek enharmonikos, from en (see en- (2)) + harmonikos (see harmonic). From 1794 in reference to a modern music note that can be indicated in different ways (G sharp/A flat).[enharmonic etymology, enharmonic origin, 英语词源]