"Edit” menu option (4)
I believe the answer is:
undo
'edit menu option' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for undo that I've seen before include "Wreck" , "Unfasten or annul" , "Bring to ruin" , "Ruin or undermine" , "Take back" .)