A dialectal or archaic term for an arm or a unit of measurement based on arm's length.
From Old English 'earm' meaning arm, with regional vowel shifts. In Scots and Northern English dialects, it retained older pronunciation patterns.
The word 'awm' shows how English dialects preserve sounds that have vanished elsewhere—it's a linguistic fossil that helps us understand how Old English sounded 1,000 years ago.
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