Tache.
ETYM Latin contaminatio.
1. The act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors; SYN. pollution.
2. The state of being contaminated; SYN. taint.
ETYM Old Eng. filthe, fulthe, AS. fileth;, from fűl foul; akin to Old High Germ. fűlida. Related to Foul, File.
A state characterized by foul or disgusting dirt and refuse; SYN. filthiness, foulness, nastiness.
ETYM AS. fűlnes.
The quality or condition of being foul.