Artificial intelligent assistant

obsigillate

obˈsigillate, v. Obs. rare—0.
  [f. L. ob- (ob-) + late L. sigillāre to seal; after L. obsignāre: see next.]
  trans. To seal up. So obsigiˈllation.

1623 Cockeram, Obsigillate, to hide, or seale. 1658 Phillips, Obsigillation, a sealing up.

Oxford English Dictionary

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