Hebrew Strong Codes : Definition and Related Verses KJV Strong Code G1031 : brucho/broo'-kho Definition G1031 brucho/broo'-kho a primary verb; to grate the teeth (in pain or rage):--gnash. KJV Bible Verses Containing Strong Code G1031M / Acts 7.54 : When they heard these things, they were cut to the heart, and they gnashed[G1031] on him with their teeth. Related Links KJV with Strong Codes ; ASV with Strong Code Hebrew Strong Codes ; Greek Strong Codes