Occurring occasionally or at intervals; now and then; used chiefly in Scottish dialect.
From Scottish 'daimen,' possibly from Middle English 'damen' or related to Old Norse 'dagr' (day). It may suggest 'happening every other day' or at distant intervals. Common in Scottish poetry by the 18th century.
Robert Burns used 'daimen' in his poems to capture Scottish speech patterns, and it's survived 200+ years in dialect because it's more poetic than 'occasional'—poetry preserves words better than dictionaries do.
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