frendesco
frendesco, ĕre, 3, v. inch. [frendo],
- to begin to gnash with the teeth: crudelitate doloris, Fulg. Serm. 11.
frendēscō, ĕre (frendo), intr., se mettre à grincer des dents : Ps. Fulg. Rusp. Serm. 11.
Not. Tir. p. 153. Frendet,
Frendescit.