fogging
fog-ging
noun
A misty or cloudy film appearing on a surface, obscuring vision.
"We noticed fogging on the bathroom mirror."
verb
The act of covering or becoming covered with a misty film or fine spray.
"The cold air caused the window fogging."
Thesaurus
Synonyms: fog, haze, daze, fogginess, murkiness, murk, obscure, haze over, cloud, obnubilate, mist, befog