Artificial intelligent assistant

brain-wood

brain-ˈwood (after 14th c. only Sc.)
  [f. brain n. + wood a., OE. and ME. wód mad.]
  Frenzied in brain or mind; mad.

a 1340 Hampole Pr. Consc. 6707 For hungre þai sal be als brayne-wode. c 1375 ? Barbour St. Alexis 214 Ȝouland as half brawne wod. c 1425 Wyntoun Cron. viii. xiii. 51 He swa mankyd, as brayne-wode Kest fast wyth þe Stwmpe þe Blode In-til Willame Walays face. a 1550 Christis Kirke Gr. xxii, Quhyn thay had beirit lyk baitit bullis, And branewod brynt in bails.

Oxford English Dictionary

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