Related by affinity; connected by marriage or association; refined or perfected.
From affine or affineer (to refine), with -ed suffix. Affine derives from Latin affīnis 'neighboring or bordering on,' and the -ed adjective form indicates something that has been affected by this quality or process.
In genealogy records, you'll see 'affined' used to describe families connected through marriage—for example, 'the Smiths were affined to the Jones family through the marriage of their children,' showing how these social connections created extended family networks in medieval communities.
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