Artificial intelligent assistant

epistates

eˈpistaˌtes Obs.
  [mod.L. epistatēs, a. Gr. ἐπιστάτης one who is set over, f. ἐπί over + στα- stem of ἱ-στάναι to set; in Athens, the president of the ἐκκλησία or assembly.]
  An overseer, a superintendent.

1651 Biggs New Disp. 41 Where Reason sits sole Epistates. 1731 Bailey vol. II, Epistates, a commander or person who has the direction and government of a people.

Oxford English Dictionary

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