Keep under (7)
I believe the answer is:
repress
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">keep under</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for repress that I've seen before include "bottle up" , "Forcibly keep down" , "Curb" , "Put in irons, maybe" , "Check" .)