Artificial intelligent assistant

absterse

abˈsterse, v. Obs. rare—1.
  [f. L. absters-us, pa. pple. of abstergēre, cf. asperse.]
  = absterge.

1646 Sir T. Browne Pseud. Epid. 164 Some attrition from an acide and vitriolous humidity in the stomack..may absterse, and shave the scorious parts thereof.

Oxford English Dictionary

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