Artificial intelligent assistant

nowhen

ˈnowhen, adv. rare.
  [f. no a. + when adv.]
  At no time, never.

a 1767 Lye A.S. Dict., Na-hwanan, No when. Nunquam. 1884 Gosp. Divine Humanity iii. 49 When was the beginning? Nowhen as regards universal existence.

Oxford English Dictionary

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