Danish shoe brand (4)
I believe the answer is:
ecco
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">danish shoe brand</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 ecco that I've seen before include "here is Italian" , "Look there! (in 23 ac)" , "Brand of shoes" .)