Artificial intelligent assistant

enfounder

enˈfounder, v. Obs. rare.
  Also 5 enfonder.
  [ad. F. enfondrer, f. en- in + fondrer in same senses.]
  a. trans. To drive in, batter in. b. intr. Of a horse: To stumble, drop down.

1475 Caxton Jason 25 b, At the thirde stroke he enfondrid..his helme. c 1530 Ld. Berners Arth. Lyt. Bryt. (1814) 87 His hors enfoundred vnder hym.

Oxford English Dictionary

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