Find; vestige (5)
I believe the answer is:
trace
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">find</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">vestige</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for trace that I've seen before include "Follow and find" , "Track; small quantity" , "Element" , "Vestige; manage to find" , "indicator" .)