G1031 βρύχω βρύχω (brýchō), Strong’s G1031: to grate the teeth (in pain or rage) KJV: gnash. Occurs 6 times. Source: https://besorah.bible/word/G1031 — Besorah, the whole Bible in Hebrew, Greek and English. Texts and licences: https://besorah.bible/about/credits.html brýchō — to grate the teeth (in pain or rage) KJV: gnash Occurs 6 times. Where it occurs - Acts 7:54 (https://besorah.bible/besorah/acts/7?v=54) — Now when they heard these things, they were cut to the heart, and they gnashed at him with their teeth.