Contaminating trace (5)
I believe the answer is:
taint
(Other definitions for taint that I've seen before include "Defile" , "(Trace of) corruption" , "Blemish" , "Tarnish" , "Stigmatise" .)
I believe the answer is:
taint
(Other definitions for taint that I've seen before include "Defile" , "(Trace of) corruption" , "Blemish" , "Tarnish" , "Stigmatise" .)