Enshroud
/ɪnˈʃraʊd/
Definition 1 of 2
Pro Tip 1/3Figurative Use
Often used metaphorically to imply something is completely hidden or obscured. 
His motivation remains enshrouded in secrecy.
Pro Tip 2/3Literal Covering
Used to describe actual physical covering, especially that which alters appearance. 
The castle was enshrouded by the dense forest.
Pro Tip 3/3Visibility Reduction
Describes situations where visibility is significantly reduced, often by weather. 
The lighthouse was enshrouded in mist, invisible from the shore.