to putrefy, i.e. (figuratively) perish Derivation: apparently a primary verb;
KJV Usage: be corrupted.
TBESG:
σήπω
to rot
G:V
σήπω [in LXX; Psa.38:5 (מָקַק ni.), Job.33:21 (כָּלָה) Refs Job.40:7, Sir.14:19, al. ;] to make corrupt: 2 pf. act, with mid, sense (see M, Pr., 154), σέσηπεν, has perished, become corrupted, Jas.5:2.† (AS)
Thayer:
1) to make corrupt, to destroy 2) to become corrupt, corrupted, rotten
σήπω
sēpō
say'-po
Apparently a primary verb; to putrefy, that is, (figuratively) perish