An archaic or rare term for a partner or joint partner; one who shares in a partnership.
From 'com-' (together) + 'partner.' The 'com-' prefix emphasizes the shared nature of the partnership. This term is largely obsolete, having been replaced by 'partner' or 'co-partner.'
Medieval guild records are full of 'compartners'—craftspeople who literally shared a workspace and tools. The word died out as the concept of shared trade gave way to individual ownership.
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