Lewis & Short

cēveo, ēre (perf. cevi, without voucher in Prob. p. 1482 P.), v. n. [Sanscr. kju, to agitate one’s self; cf. quatio].

  1. I. To move the haunches, Plaut. Fragin. ap. Non. p. 84, 18; Juv. 2, 21; 9, 40; Mart. 3, 95, 13; cf. criso.
  2. * II. Trop. (the figure taken from the wagging of the tail of a dog), to fawn, flatter, Pers. 1, 87.