putrefaction

Etymology

First attested between 1350 and 1400 from Middle English putrefaccioun, from Old French putrefaccïon, from Latin putrefactiō, from putrefactus, perfect passive participle of putrefaciō (“become rotten”)

noun

1. The act of causing to rot; the anaerobic splitting of proteins by bacteria and fungi with the formation of malodorous, incompletely oxidized products.
2. Rotten material.
3. The state of being rotten.