smudging

verb

1. (form-of, gerund, participle, present)present participle and gerund of smudge

noun

1. The act of something being smudged.
2. 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.”

3. Suffumigation.

   “One of the most common forms of purification is done with smoke, using some kind of smoking or smudging.”