Go for a rebound, perhaps (4)
I believe the answer is:
leap
(Other definitions for leap that I've seen before include "Sudden bound" , "Sudden surge" , "'Look before you . . . .'" , "identify extra day?" , "some years?" .)
I believe the answer is:
leap
(Other definitions for leap that I've seen before include "Sudden bound" , "Sudden surge" , "'Look before you . . . .'" , "identify extra day?" , "some years?" .)