Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

păvesco, ĕre, v. inch. n. and a. [paveo] (mostly post-Aug.).

        1. (α) Neutr., to begin to be afraid, to become alarmed: omni strepitu pavescere, Sall. J. 72, 2: ad ejusmodi tactum, Col. 6, 2: ad nocturnas imagines, Plin. 29, 4, 20, § 67 (al. expavescere): pavescere sensim et quasi albescere, Gell. 19, 1, 21.
        2. (β) Act., to begin to fear or dread, to begin to be alarmed at: bellum, Tac. A. 1, 4: prodigia deūm, Sil. 16, 127.