μητροφόνος
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
ον,
A murdering one's mother, ἀντίποιν' ὡς τίνῃς ματροφόνου δύας (Casaub. for μητροφόνας) A.Eu.268 (lyr.). 2 as Subst., matricide, ib.257 (lyr.). II slayer of a mother, Nonn.D.43.147, al.
German (Pape)
[Seite 180] die Mutter mordend; δύα, Aesch. Eum. 258; subst., der Muttermörder, 246.
Greek (Liddell-Scott)
μητροφόνος: -ον, μητροκτόνος, ἀντίποιν’ ὡς τίνῃς ματροφόνου δύας (οὕτω ὁ Casaub ἀντὶ μητροφόνας), Αἰσχύλ. Εὐμ. 268. 2) ὡς οὐσ., μητραλοίας, φονεὺς τῆς ἰδίας μητρός, αὐτόθι 257.