Artificial intelligent assistant

back-set

back-set, n.
  (ˈbæksɛt)
  [f. back adv.]
  1. A setting back; a reverse, check, relapse. (Of Sc. origin.)

1721 Wodrow Hist. II. 555 (Jam.) The people of God have got many backsets one after another. 1816 J. C. Calhoun Wks. II. 170 It would give a back set, and might..endanger their ultimate success. 1883 American V. 373 A backset which some good judges pronounced fatal.

  2. An eddy or counter-current.

1882 Harper's Mag. LXV. 612 The backset caused by the overflow. 1883 Fortn. Rev. July 119 The back-set of some deeper-flowing stream.

Oxford English Dictionary

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