Greek liqueur (4)
I believe the answer is:
ouzo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">greek liqueur</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 ouzo that I've seen before include "Greek aniseed-flavoured spirit" , "Greek aniseed spirit" , "booze?" , "Strong Greek drink" , "Strong Greek spirit" .)