monologue (n.)youdaoicibaDictYouDict[monologue 词源字典]
1660s, "long speech by one person," from French monologue, from Late Greek monologos "speaking alone," from Greek monos "single, alone" (see mono-) + logos "speech, word," from legein "to speak" (see lecture (n.)).[monologue etymology, monologue origin, 英语词源]