Artificial intelligent assistant

dessantly

ˈdessantly, adv. Obs. rare.
  [Etymol. uncertain; cf. dess v., dessely.]
  Continuously.

c 1400 Beryn 790 In whose tyme sikirlich, þe vii. sagis were In Rome dwelling dessantly. Ibid. 1563 Ffor thre dayis dessantly þe derknes a-mong hem was.

Oxford English Dictionary

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