Lewis Short
(verb) : per-terrĕo, ui, ĭtum, 2
* To frighten or terrify thoroughly: aliquem,Ter. Eun. 5, 3, 13: alios magnitudine poenarum,Caes. B. G. 7, 4; 50: metu perterriti,Cic. Caecin. 10, 26: obstupefactus ac perterritus,id. Cat. 2, 7, 14: maleficii conscientiā perterritus,id. Clu. 13, 38: ossa mea perterrita sunt,Vulg. Job, 4, 14 (but the true read., Cic. Caecin. 13, 37, is proterritus).
Charlton T. Lewis, Charles Short, A Latin Dictionary