or quass

[kvahs, kwahs]


a Russian beer made from fermenting rye or barley and having a dark color and sour taste.

Origin of kvass

First recorded in 1545–55, kvass is from the Russian word kvas
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for kvass


kvas or quass


an alcoholic drink of low strength made in Russia and E Europe from cereals and stale bread

Word Origin for kvass

C16: from Russian kvas; related to Old Slavic kvasĭ yeast, Latin cāseus cheese
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for kvass

Russian fermented drink made from rye or barley, 1550s, from Russian kvas "leaven," from Old Church Slavonic kvasu "yeast," cognate with Latin caseus "cheese" (see cheese (n.1)).

Online Etymology Dictionary, © 2010 Douglas Harper