Artificial intelligent assistant

forfight

forˈfight, v. Sc. Obs.—1
  In 7 forefight.
  [back-formation from forfoughten.]
  trans. To exhaust or over-fatigue (oneself) with fighting.

1661 Mercur. Caled. (Jam.), These noble gentlemen..may..forefight themselves in our excellent fields.

Oxford English Dictionary

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