G4595
σήπω
to rot
σήπω [in LXX; Psa.38:5 (מָקַק ni.), Job.33:21 (כָּלָה) 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)
The KJV translates G4595 in the following manner:
corrupted (2x)
Full Thayer's lexicon entry
σήπω — sḗpō
σήπω: from Homer down; to make corrupt; in the Bible also to destroy, Job 40:7 (12); passive, to become corrupt or rotten; 2 perfect active σέσηπα, to (have become i. e. to) be corrupted (cf. Alexander Buttmann (1873) Ausf. Spr. ii., p. 82): ὁ πλοῦτος σέσηπεν, has perished, Jas 5:2.
1 occurrence