Italian after-dinner spirit (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
grappa
(Other definitions for grappa that I've seen before include "Spirit distilled from grapes" , "Italian spirit made from grape residue after pressing" , "Form of brandy" , "Italian liqueur made from residue of grapes after pressing" , "Spirit distilled from fermented grape remains" .)