Artificial intelligent assistant

attritive

attritive, a. rare.
  (əˈtraɪtɪv)
  [f. L. attrīt- see attrite), as if ad. L. *attrītīvus.]
  Characterized by attrition, wearing away.

c 1850 H. Miller Rambles Geol. ii. (1858) 246 Subjected to some further attritive process.

Oxford English Dictionary

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