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theirs (pron.)

possessive pronoun, "their own, their people, land, etc.," early 14c., from their + possessive -s, on analogy of his, hers, etc., but in form a double possessive. The same pattern happens in the earlier pronoun, native hiera, here "their;" attested by late Old English as heres.

also from early 14c.
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Trends of theirs

updated on March 13, 2024

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