Taint
/teɪnt/
noun
A contamination, decay or putrefaction, especially in food
A mark of disgrace, especially on one's character; blemish
Tincture; hue; colour
verb
To contaminate or corrupt (something) with an external agent, either physically or morally.
To spoil (food) by contamination.
To be infected or corrupted; to be touched by something corrupting.