Gangrene
/ˈɡaŋˌɡɹiːn/
noun
The necrosis or rotting of flesh, usually caused by lack of blood supply.
“If gangrene sets in, we may have to amputate the foot.”
A damaging or corrupting influence.
verb
To produce gangrene in.
To be affected with gangrene.
To corrupt; To cause to become degenerate.