barm

noun

ˈbärm How to pronounce barm (audio)
: yeast formed on fermenting malt liquors

Word History

Etymology

Middle English berme, from Old English beorma; akin to Middle Low German berm yeast, Latin fermentum yeast, fervēre to boil, Old Irish berbaid he boils

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of barm was before the 12th century

Dictionary Entries Near barm

Barlow lens

barm

bar magnet

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Cite this Entry

“Barm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barm. Accessed 30 Dec. 2024.

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