Artificial intelligent assistant

witherer

witherer rare.
  (ˈwɪðərə(r))
  [f. wither v.2 + -er1.]
  One who or that which withers.

1828 Landor Imag. Conv., Engl. & Flor. Vis. III. 427 Gifford is the Harriet Wilson of our literary world; the witherer of young names. a 1851 Moir Miner of Peru, Blancher of the hair, And witherer of the strength.

Oxford English Dictionary

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