- Original: βρυγμός - Transliteration: Brugmos - Phonetic: broog-mos' - Definition: 1. a gnashing of teeth a. used to denote extreme anguish and utter despair of men consigned to eternal punishment in hell 2. snarling, growling: in the sense of biting - Origin: from G1031 - TDNT entry: 11:41,1 - Part(s) of speech: Noun Masculine - Strong's: From G1031 ; a grating (of the teeth): - gnashing.