Artificial intelligent assistant

recurb

recurb rare—1.
  (rɪˈkɜːb)
  [f. re- + -curb n.: cf. F. recourber vb., L. recurvāre recurve v.]
  The curved shape produced at the repeated climax of systematic oscillation.

1876 G. M. Hopkins Wreck of Deutschland xxxii, in Poems (1967) 62 The recurb and the recovery of the gulf's side, The girth of it and the wharf of it and the wall.

Oxford English Dictionary

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