Artificial intelligent assistant

infounder

inˈfounder, v. Obs.
  [a. OF. enfondre-r to plunge to the bottom, submerge, swallow up, f. en- (in-2) + fondrer to founder: cf. in another sense enfounder.]
  trans. To submerge; in pa. pple. Submerged, overflowed, flooded.

1505 Liber Ruber in H. E. Reynolds Wells Cathedr. App. M. (1882) 218 The higheways were so infoundered that the poor tenants and inhabitants [etc.]. 1515 in W. H. Turner Select. Rec. Oxford 13 The..fellowes of Merton College do suffer the lane..to be surroundred and infoundred.

Oxford English Dictionary

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