Not evens (4)
I believe the answer is:
odds
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not evens</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for odds that I've seen before include "Betting price" , "Starting price" , "(In betting) chances" , "Bookies give them" , "Betting likelihood" .)