Artificial intelligent assistant

watna

watna, v. Sc.
  (ˈwɒtnə)
  [f. wat Sc. form of wot v. + na adv.3]
  (I) know not. Hence watnawhat n., a ‘don't know what’, a nondescript.

1725 Ramsay Gent. Sheph. iv. ii, Sir William's cruel, that wad force his son For watna-whats, sae great a risk to run. 1818 Scott Hrt. Midl. xvi, He's been a soldier, and he has been a play-actor, and I watna what he has been or hasna been.

Oxford English Dictionary

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