Small bit (3)
I believe the answer is:
tad
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small bit</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 tad that I've seen before include "little boy" , "Modest amount" , "Small bit" , "A small amount (colloq.)" , "Smidgen" .)