Spends (8)
I believe the answer is:
exhausts
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spends</span>' is the definition.<br/ ><span class="explanation-format__explanation">(exhausting is a kind of spending)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for exhausts that I've seen before include "essential items for cars?" , "Gets really tired" , "Wears out" .)