Artificial intelligent assistant

subservant

subˈservant Obs. rare—1.
  [sub- 5 a.]
  An inferior servant, under-servant.

1661 K. W. Conf. Charac., Detracting Empirick (1860) 64 A poor apothecaries subservant, whose work is to look to the stills, and sweep the shop.

Oxford English Dictionary

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