ἐπιδιαφθείρω
From LSJ
ἀνιαρῶς τε φέρει τὴν τελευτὴν, καίτοι γε τὸν πρόσθεν χρόνον διαχλευάζων τοὺς μορμολυττομένους τὸν θάνατον, καὶ πρᾴως ἐπιτωθάζων → he bears death with grief, although in a former time he criticized, and mildly derided, those that were fearing death
English (LSJ)
destroy, ruin besides, in Pass., Ph. ap. Eus.PE8.14; become corrupt, Gal.8.42.
German (Pape)
[Seite 938] noch dazu verderben, Philo u. a. Sp.