Artificial intelligent assistant

atrabiliar

atrabiliar, a.
  (ætrəˈbɪlɪə(r))
  [f. after earlier F. atrabiliaire, or mod.L. ātrabīliārius: see prec.]
  = atrabilious.

1831 Carlyle Sart. Res. i. ix, In my atrabiliar moods. 1877 Morley Crit. Misc. Ser. ii. 102 Of nervous atrabiliar constitution.

Oxford English Dictionary

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