Artificial intelligent assistant

lapidist

ˈlapidist Obs. rare.
  [f. L. lapid-, lapis + -ist.]
  = lapidary n. 1 a or b.

1647 Trapp Comm. Mark vii. 33 The wise lapidist brings not his softer stones to the stithy. 1691 Ray Creation i. (1692) 81 The factitious Stones of Chymists in imitation being easily detected by an ordinary Lapidist.

Oxford English Dictionary

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