Artificial intelligent assistant

yourn

yourn, poss. pron. dial.
  (jʊən)
  Also 4 ȝouren, 9 your'n.
  [f. your + -n as in hern, hisn, ourn, q.v.]
  = yours.

1382 Wyclif Gen. xxxiv. 16 Thanne we shulen ȝyue and take togidere our dowȝtris and ȝouren. 1825 Jennings Obs. Dial. W. Eng., Yourn, yours. 1837 Dickens Pickw. xxiii, Sam..replied that his master was extremely well. ‘Oh, I am so glad,’ replied Mr. Trotter, ‘is he here?’ ‘Is your'n?’ asked Sam. 1858 Househ. Words 14 Sept. 298/1 Famous top-coat that o' your'n, sir.

Oxford English Dictionary

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