Probably strengthened from phthio (to pine or waste); properly, to shrivel or wither, i.e. To spoil (by any process) or (generally) to ruin (especially figuratively, by moral influences, to deprave) -- corrupt (self), defile, destroy.
ἐφθείραμεν (ephtheiramen) − 1 Occurrence
ἔφθειρεν (ephtheiren) − 1 Occurrence
φθαρῇ (phtharē) − 1 Occurrence
φθαρήσονται (phtharēsontai) − 1 Occurrence
φθείρει (phtheirei) − 1 Occurrence
φθειρόμενον (phtheiromenon) − 1 Occurrence
φθείρονται (phtheirontai) − 1 Occurrence
φθείρουσιν (phtheirousin) − 1 Occurrence
φθερεῖ (phtherei) − 1 Occurrence