theirn
a midl., south., and U.S. dial. form for theirs, on the analogy of ourn, yourn, hisn, hern. See also Eng. Dial. Dict.
| 1836 T. C. Haliburton Clockmaker 1st Ser. x. 50 When other folks lost theirn from the boys, hisn always hung there like bait to a hook. 1896 ‘Mark Twain’ in Harper's Mag. Sept. 532/1, I hain't ever seen eyes bug out..the way theirn did. 1930 Amer. Speech V. 267 Such possessive forms as ourn, yourn, hisn, hern and theirn are almost universal in the Ozarks. |