Sacred place (7)
I believe the answer is:
sanctum
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sacred place</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 sanctum that I've seen before include "Holy place, often inner" , "SECOND PART OF 8" , "Room safe from disturbance" , "Sacred place; private room" , "Private/sacred place" .)