Lewis & Short

păvĭto, āre, v. freq. n. and a. [paveo].

  1. I. In gen., to tremble or quake with fear, to be very fearful, be greatly afraid; to tremble at (ante-class. and poet.): quae pueri in tenebris pavitant, Lucr. 2, 58: prosequitur pavitans, Verg. A. 2, 107: effusis pavitantem fletibus, Val. Fl. 7, 410: pavitante gressu sequere fallaces vias, Sen. Oed. 1047.
  2. II. In partic., to shake or shiver with the ague, to have the ague, Ter. Hec. 3, 1, 41.