καταπεφνεῖν
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
French (Bailly abrégé)
v. κατέπεφνον.
English (Slater)
καταπεφνεῑν defect. aor.,
1 massacre κατὰ μὲν φίλα τέκν' ἔπεφνεν fr. 171.