Eerie blanket in a forest, perhaps (3)
I believe the answer is:
fog
(Other definitions for fog that I've seen before include "Impenetrable mist" , "Obscure" , "Thick mist" , "second growth of grass" , "Confusion" .)
I believe the answer is:
fog
(Other definitions for fog that I've seen before include "Impenetrable mist" , "Obscure" , "Thick mist" , "second growth of grass" , "Confusion" .)