digrignare
Italian
Etymology
From Old High German grīnan (“to twist the mouth”) (whence English grin and French grincer (“to squeak, to gnash”)), from Proto-Germanic *grīnaną, possibly from Proto-Indo-European *gʰer- (“to rub, to grind”). di- used either to represent downward motion or as an intensifier.
Verb
digrignare
- (transitive) To grind or gnash.