smudging

noun3

1. •
   The act of something being smudged.
2. •
   Suffumigation.

   • One of the most common forms of purification is done with smoke, using some kind of smoking or smudging. — 2002
3. •
   A stain or smear left by something being smudged.

   • Besides, the body paint would probably be visible on the sheets as dark smudgings, since the films were merely in black and white. — 2004