Ctrl+Z (4)
I believe the answer is:
undo
(Other definitions for undo that I've seen before include "Loosen or reverse" , "Destroy - nullify" , "Remove the wrapping" , "Cause downfall" , "Ruin or undermine" .)
I believe the answer is:
undo
(Other definitions for undo that I've seen before include "Loosen or reverse" , "Destroy - nullify" , "Remove the wrapping" , "Cause downfall" , "Ruin or undermine" .)