Abbott-Smith Manual Greek Lexicon
βρύχω (G1031)
1 βρύχω (Attic, βρύκω ), [in LXX: Jb 16:10(9) , Ps 34 (35):16 36 (37):12 111 (112):10 , La 2:16 ( חרק )* ;] to bite or eat greedily . to gnash, grind , with the teeth: Ac 7:54 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain