Relatives or family members connected through the father's line; paternal relations.
Compound of 'father' and 'kin' (meaning family relations), likely archaic or dialect. The suffix '-kin' appears in words like 'manikin' and historically denoted family relationships.
Words like 'fatherkin' and 'motherkin' reveal how societies have always had specific terms for different family branches—before modern genetics, you needed language to track who you could marry and inherit from.
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