πενθεροφθόρος
From LSJ
Πολλὰ τὰ δεινὰ κοὐδὲν ἀνθρώπου δεινότερον πέλει → There are many wondrous things in this world, but none more wondrous than humans
English (LSJ)
ον,
A slaying one's father-in-law, Lyc. 161.
German (Pape)
[Seite 554] den Schwiegervater verderbend oder mordend; Lycophr. 161; Eust.
Greek (Liddell-Scott)
πενθεροφθόρος: -ον, ὁ φθείρων, καταστρέφων πενθερόν, πενθεροφθόροις βουλαῖς ἀνάγνοις Λυκόφρ. 161.