Artificial intelligent assistant

diuturnity

diuˈturnity Now rare.
  [ad. L. diūturnitāt-em long duration, f. diūturn-us diuturn.]
  Long duration or continuance; lastingness.

1432–50 tr. Higden (Rolls) I. 183 Dredenge to lose multiplicacion off childer by diuturnite of batelle. 1581 J. Walker in Confer. iv. (1584) D d b, It is greater..in diuturnitie, because it neuer dieth, nor hath any ende. 1684 tr. Bonet's Merc. Compit. ix. 339 Being tired by the diuturnity and violence of the pain. 1726 Ayliffe Parergon 123 A Fourth..Proof arises from Length and Diuturnity of Time. 1829 Lamb Let. to W. Wilson 15 Nov. (1837) II. 247 I promise myself, if not immortality, yet diuturnity of being read.

Oxford English Dictionary

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