Abbott-Smith Manual Greek Lexicon
βρυγμός (G1030)
7 βρυγμός , -οῦ, ὁ ( βρύχω ), [in LXX: Pr 19:12 ( נַהַם ), Si 51:3 * ;] a biting, a gnashing of teeth : Mt 8:12 13:42 , 50 22:13 24:51 25:30 , Lk 13:28 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain