Artificial intelligent assistant

tartarer

ˈtartarer Obs. rare—1.
  [f. tartar n.1 + -er1.]
  One who attributed diseases to the presence of tartar.

1662 J. Chandler Van Helmont's Oriat. 230 What things I have read out of many Books, which Paracelsus writeth concerning Tartarers, I will contract into a brief tract.

Oxford English Dictionary

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