uncover
v.
early 14c., from un-(2) "reverse of" + cover, v.. Earliest use is figurative; literal sense is attested from late 14c. Related: Uncovered; uncovering.
〔李〕[un-=to remove取走；cover n.盖子→] v.remove the cover from；make known or reveal揭开⋯的盖子；使知道，揭露