What does "barm" mean?
bosom
noun, verb ·Rare ·Advanced level
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"[A]nd sometimes make the drink to bear no barm."
"[A]nd sometimes make the drink to bear no barm."
bosom
Common synonyms include: fermentation foam, levain, yeast, yeast foam, yeast starter.
[A]nd sometimes make the drink to bear no barm.
Pronounced /bɑːm/.
From Middle English barm, barme, berm, bearm, from Old English bearm (“lap; bosom”), from Proto-West Germanic *barm, from Proto-Germanic *barmaz (“lap; bosom”), from Proto-Indo-European *bʰer- (“to bear”). Cognate with German Barm (“lap; bosom”).
From Middle English berme, berm, from Old English beorma, from Proto-West Germanic *bermō (“yeast; barm”); related to the dialectal Low German Bärm (“yeast”), from Middle Low German barm, berm. The cake sense is possibly a shortened form of barmcake, which would be made with yeast as described in that sense, or possibly it is from the Irish bairín breac, a type of bread.
From Middle English bermen, from the noun (see above).