Lewis Short
(verb) : ex-păvĕfăcĭo, fēci, factum, 3
* To terrify, frighten, make afraid (post-Aug. and very rare): mugitu tauri equi expavefacti,Hyg. Fab. 47 (in Sen. Ep. 85, 41, read expavescentia).
Charlton T. Lewis, Charles Short, A Latin Dictionary