kwas

From Dutch kwast, from Middle Dutch quast, from Old Dutch *kwast, from Proto-Germanic *kwastuz.

kwas (plural kwaste)

1. brush
2. tassel

From Proto-Slavic *kvasъ (“leaven”). Cognate with Upper Sorbian kwas, Polish kwas (“acid”), Serbo-Croatian kvȃs (“yeast”), Old Church Slavonic квасъ (kvasŭ, “leaven”).

• IPA^(key): [kwas]

kwas m inan

1. sourdough

• Muka, Arnošt (1921, 1928) “kwas”, in Słownik dolnoserbskeje rěcy a jeje narěcow (in German), St. Petersburg, Prague: ОРЯС РАН, ČAVU; Reprinted Bautzen: Domowina-Verlag, 2008
• Starosta, Manfred (1999) “kwas”, in Dolnoserbsko-nimski słownik / Niedersorbisch-deutsches Wörterbuch (in German), Bautzen: Domowina-Verlag

kwas

1. yellow

Inherited from Proto-Slavic *kvasъ. Cognate with Latin cāseus whence English cheese, and Sanskrit क्वथ् (kvath, “to boil”).

• IPA^(key): /kfas/

• Audio

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• Rhymes: -as
• Syllabification: kwas

kwas m inan (diminutive kwasek)

1. (chemistry) acid (a sour substance)

   Coordinate terms: alkalia, zasada

2. (colloquial) snag, scene; unpleasant social situation
3. (organic chemistry, slang) LSD, lysergic acid diethylamide (powerful synthetic hallucinogen)

   Synonym: LSD

• kwas in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• kwas in Polish dictionaries at PWN