Artificial intelligent assistant

adumber

aˈdumber, -bre, v. Obs. rare—1.
  [a. MFr. adumbre-r, adombre-r, refash. of OFr. aümbrer, aombrer:—L. adumbrā-re to shadow forth, to overshadow: see adumbrate.]
  To overshadow, obscure.

1535 Stewart Cron. Scotl. 23663 II. 118 The cruell dartis with mony awfull ganȝe..The dais licht adumbrit.

Oxford English Dictionary

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