Carpentry grooves (5)
I believe the answer is:
dados
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">carpentry grooves</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 dados that I've seen before include "Wooden borders for room" , "Borders along the lower part of a wall" .)