出典:Wiktionary
出典:『Wiktionary』 (2025/07/18 20:15 UTC 版)
kvass (countable and uncountable, plural kvasses)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/19 18:19 UTC 版)
Kvass or kvas (from Old East Slavic квасъ, kvasŭ, meaning "yeast" or "leaven"; today, in Belarusian: квас, kvas, сиривець, siriviets; Lithuanian: gira; Russian: квас, kvas; in Ukrainian: квас, хлібний квас or сирівець, kvas, khlibnyy kvas or syrivets; Polish kwas; meaning "acid" in the 16th century), sometimes called a bread drink in English, is a fermented beverage made from black or regular rye bread.
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