Tanned hide (7)
I believe the answer is:
leather
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tanned hide</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 leather that I've seen before include "kid, say" , "polish" , "Cured animal hide" , "A tanner produces it from hide" , "Treated hide" .)