Artificial intelligent assistant

expulsor

exˈpulsor Obs. rare—1.
  [a. L. expulsor, agent-n. f. expellĕre to expulse.]
  = expulser.

1432–50 tr. Higden (Rolls) I. 405 If a peple expulsede be abowte to expelle the expulsores of hit.

Oxford English Dictionary

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