Artificial intelligent assistant

substander

subˈstander Obs.
  [Rendering of L. substans (see substance n.).]
  A thing that subsists. So subˈstanding ppl. a., subsisting.

1662 J. Chandler Van Helmont's Oriat. 144 A truly substanding or remaining Being [orig. vere substantis entis]. Ibid. 345 The Substance of that Substander or remainer [orig. ejusque substantis substantia].

Oxford English Dictionary

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