Sign of overuse
I believe the answer is:
wear
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sign of overuse</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for wear that I've seen before include "Have on - deteriorate from constant use" , "Exhaust" , "assume" , "Dress in; erode" , "Have on the body as clothes or ornaments" .)