Artificial intelligent assistant

ca'-thro'

ca'-thro' Sc.
  [f. ca', call, in sense ‘drive’ + through prep.]
  ‘A great disturbance’ (Jamieson).

1816 Scott Antiq. xxiv, There was siccan a ca'-thro', as the like was never seen. 1818 ― Hrt. Mid. xvi, Ye never saw sic a ca'throw.

Oxford English Dictionary

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