ἀθεμιτομιξία
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
English (LSJ)
ἡ, = ἀθεμιτογαμία (unlawful marriage), Tz. ad Lyc. 1143.
Spanish (DGE)
-ας, ἡ unión ilícita, unión impía Tz.ad Lyc.1141.