Artificial intelligent assistant

post-knight

ˈpost-knight Obs.
  [f. post n.1+ knight n.]
  = knight of the post, a notorious perjurer.

1594 Merry Knack to know Knave D j, Why, I haue bene a post knight in Westminster this xii. year. 1630 J. Taylor (Water P.) Praise Hempseed Wks. iii. 73/2 The sixt a post⁓knight, that for fiue groats gaine Would sweare, and for foure groats forsweare 't againe.

Oxford English Dictionary

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