ex-păvĕfăcĭo

fēci, factum, 3, v. a.
I. to terrify, frighten, make afraid (post-Aug. and very rare): mugitu tauri equi expavefacti, Hyg. Fab. 47 (in Sen. Ep. 85, 41, read expavescentia).
Lewis & Short
A Latin Dictionary, 1879
An open-access project