Add fuel to (5)
I believe the answer is:
stoke
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">add fuel to</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 stoke that I've seen before include "Village with 'country churchyard'" , "Add coal to (a fire)" , "keep the furnace going" , "Add coal to (a furnace)" , "somewhere in the Potteries?" .)