κατα-φθείρω [in LXX chiefly for שָׁחַת hi., Gen.6:12, al. ;] 1 1 to destroy entirely. 2. In moral sense (as LXX), to deprave, corrupt: pass. pf. ptcp., before τ. νο ν, 2Ti.3:8.† (AS)
STRONG'S WORD STUDY
G2704 — καταφθείρω
kataphtheirō · to deprave · Greek