Artificial intelligent assistant

preventor

preˈventor Obs.
  [a. L. præventor, agent-n. from prævenīre: see prevene.]
  One who goes before or precedes; a predecessor; an anticipator.

1598 Florio, Preuentore, a preuentor, an ouertaker, an anticipator. 1599 Broughton's Let. ii. 8 With Simon Magus your Preuentor,..you are not contented to be accompted..a great Diuine.

Oxford English Dictionary

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