Artificial intelligent assistant

brainlet

ˈbrainlet Obs.
  [f. brain n. + -let, transl. L. cerebellum ‘little brain’.]
  The cerebellum.

1668 Culpepper & Cole Barthol. Anat. iii. ii. 130 The Cerebellum, Brainlet, or petty-brain. a 1720 Gibson Farrier's Guide i. iv. (1738) 35 Cerebellum, or Brainlet.

Oxford English Dictionary

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