Abatement (3-2)
I believe the answer is:
let-up
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abatement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for let-up that I've seen before include "Abatement" , "Respite, relief" , "Pause, temporary respite" , "Relieving pause" , "Pause in intensity" .)