Cigar residue (5)
I believe the answer is:
ashes
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cigar residue</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ashes that I've seen before include "Powders remaining after fire" , "Remnants of a fire" , "Eng/Aus test series" , "Remains of the Yule logs?" , "''... to ..., dust to dust'' (burial service)" .)