American whisky (7)
I believe the answer is:
bourbon
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">american whisky</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bourbon that I've seen before include "American whiskey - French royal house" , "Maize whiskey" , "10" , "A drink" , "Henry of Navarre, for one" .)