One of the mysteries of the English language finally explained.
1historical, rare A native or inhabitant of the historical region of Black Ruthenia, in the western part of modern Belarus. Now historical and rare.
2A cocktail made with vodka and coffee liqueur, often mixed with cola.
Mid 17th century; earliest use found in John Davies (1625–1693), translator. From black + Russian.
Black Russian/ˌblak ˈrʌʃn/
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