Artificial intelligent assistant

usen't

usen't
  colloq. shortening of used not.

c 1863 T. Taylor in M. R. Booth Eng. Plays of 19th Cent. (1969) II. 96, I usen't to mind unkind looks and words much once. 1907 G. B. Shaw Major Barbara iii. 255 That is a new accomplishment of Andrew's, by the way. He usent to drink. 1929 ‘H. H. Richardson’ Ultima Thule iii. v. 279 Usen't Richard to say that it was etiquette in the profession to treat a patient's relatives..as so many cretins?

Oxford English Dictionary

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