barm









barm


noun

  1. yeast formed on malt liquors while fermenting.

noun

  1. the yeasty froth on fermenting malt liquors
  2. an archaic or dialect word for yeast
n.

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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