Artificial intelligent assistant

cathedrarian

catheˈdrarian, a. nonce-wd.
  [f. L. cathedrāri-us (f. cathedra) + -an.]
  Of or belonging to a cathedra or chair (pedantic).

1830 Lytton Eugene A. i. 5 The traveller taking advantage of Peter's hasty abandonment of his cathedrarian accommodation, seized the vacant chair.

Oxford English Dictionary

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