Fewer (4)
I believe the answer is:
less
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fewer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(associated in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for less that I've seen before include "See 12" , "Comparative of 'a little'" , "A smaller amount" , "minor" , "Smaller in amout or degree" .)