Artificial intelligent assistant

instagnate

inˈstagnate, v. Obs. rare—1.
  [f. in-2 + ppl. stem of L. stagnāre to stagnate.]
  intr. To become stagnant, stagnate.

1656 J. Harrington Oceana (1658) 152 So pure and perpetual a stream, as being unable to instagnate is for ever uncapable of corruption.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 2885b7ba7da32e879bf0912ec8c71c81