Liberal Dictionary English Dictionary
noun
- yeast formed on malt liquors while fermenting.
noun
- the yeasty froth on fermenting malt liquors
- an archaic or dialect word for yeast
Old English beorma “yeast, leaven,” also “head of a beer,” from Proto-Germanic *bermon- (cf. Dutch berm, Middle Low German barm), from PIE root *bher- (4) “to cook, bake” (cf. Latin fermentum “substance causing fermentation,” Sanskrit bhurati “moves convulsively, quivers,” Middle Irish berbaim “I boil, seethe;” see brew (v.)).
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