Fermented honey drink (4)
I believe the answer is:
mead
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fermented honey drink</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 mead that I've seen before include "Honey drink; lea" , "Drink made of fermented honey and water" , "Cooked joint" , "sweet drink" , "Cornish drink" .)