Artificial intelligent assistant

detersory

† deˈtersory, a. and n. Obs. rare.
  [f. L. dēters-: see prec. + -ory.]
  = detersive a. and n.

1657 Tomlinson Renou's Disp. 97 From the commistion of these two will proceed one moderate detersory.

Oxford English Dictionary

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