Burnsian negative (3)
I believe the answer is:
nae
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">burnsian negative</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for nae that I've seen before include "Scots form of no" , "Scottish negative" .)