μονῳδός
From LSJ
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
English (LSJ)
όν,
A singing alone, not in chorus: ὁ μ., writer of a funeral ode or of a drama (like Lycophron's Cassandra) to be spoken by a single person, Tz.ad Lyc.pp.1,4 S.
German (Pape)
[Seite 206] allein, einzeln singend, Sp.; auch wer im Drama eine einzige Person redend einführt, wie Lycophr. in seiner Cassandra.