They GNASHED their teeth at Stephen

[TonyChanYT]

At the end of Stephen's defense speech, Acts 7:

54 On hearing this, the members of the Sanhedrin were enraged, and they gnashed their teeth at him.

they gnashed
ἔβρυχον (ebrychon)
Verb - Imperfect Indicative Active - 3rd Person Plural
Strong's 1031: To grind or gnash, as with the teeth for rage or pain. A primary verb; to grate the teeth.

This word appears only once. Jesus used a cognate in Luke 13:

27 But he will say, ‘I tell you, I do not know where you come from. Depart from me, all you workers of evil!’ 28 In that place there will be weeping and gnashing of teeth, when you see Abraham and Isaac and Jacob and all the prophets in the kingdom of God but you yourselves cast out.

gnashing
βρυγμὸς (brygmos)
Noun - Nominative Masculine Singular
Strong's 1030: A grinding or gnashing. From brucho; a grating.

G1030 appears 7 times, all by Jesus.

A person gnashes his teeth to express rage or pain.

 

[VictoryinJesus]

At the end of Stephen's defense speech, Acts 7:


they gnashed
ἔβρυχον (ebrychon)
Verb - Imperfect Indicative Active - 3rd Person Plural
Strong's 1031: To grind or gnash, as with the teeth for rage or pain. A primary verb; to grate the teeth.

This word appears only once. Jesus used a cognate in Luke 13:


gnashing
βρυγμὸς (brygmos)
Noun - Nominative Masculine Singular
Strong's 1030: A grinding or gnashing. From brucho; a grating.

G1030 appears 7 times, all by Jesus.

A person gnashes his teeth to express rage or pain.

Makes me think also of
Galatians 5:15 But if you bite and devour one another, take heed that you be not consumed one of another.