malmsey
noun
malm·sey ˈmäm-zē 
ˈmälm-
ˈmälm- often capitalized
: the sweetest variety of Madeira wine
Example Sentences
Recent Examples on the Web Cheap Madeira is generally made out of a blend of grapes, but the best bottles tend to come from four principal grapes in ascending order from driest to sweetest: sercial, verdelho, bual and malmsey, which is better known elsewhere as malvasia. 
Eric Asimov, New York Times, 22 Dec. 2016
Eric Asimov, New York Times, 22 Dec. 2016 Word History
Etymology
Middle English malmesey, from Medieval Latin Malmasia Monemvasia, village in Greece where a sweet wine was produced
First Known Use
15th century, in the meaning defined above