Artificial intelligent assistant

nighter

ˈnighter
  [f. night n. + -er1.]
  A second element in certain combs., as all-nighter, one who spends all the night in some occupation, etc.; first-nighter, one who attends the first ordinary public performance of a play.

1882 D. Boucicault in Daily News 23 Nov. 6/7 Persons who call themselves ‘first nighters’..who attend the production of all important plays. 1895 Outing (U.S.) XXVI. 436/2 An ‘all-nighter’ and a ‘rounder’, a robber of hen⁓roosts and nests.

Oxford English Dictionary

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