Slake (6)
I believe the answer is:
quench
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">slake</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that slake can be written as quench)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for quench that I've seen before include "Extinguish (a fire)" , "End a thirst" , "Satisfy thirst by drinking, or extinguish with water" , "Damp down" , "Slake - assuage" .)