Strong’s Greek
G4595 — sepo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
σήπω
sepo — pronounced say'-po
apparently a primary verb; to putrefy, i.e. (figuratively) perish:--be corrupted.
1 occurrence in the KJV.
James 5:2
Your riches are corrupted, and your garments are motheaten.