Fine wine word (3)
I believe the answer is:
cru
'fine wine word' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for cru that I've seen before include "Vineyard or group of them in France" , "Superior vineyard" , "French vineyard (and the wine from it)" , "Group of vineyards" , "Source of wine" .)