σπαράσσωsparássō

apparently strengthened from G4685 (σπάω) through the idea of spasmodic contraction); to mangle, i.e. convluse with epilepsy

Greek (New Testament) · G4682

Meanings

1. to tear, rend, mangle.

2. to convulse: Mark 1:26 Mark 9:26, Luke 9:39 (cf. συν-σπαράσσω).

Appears 3 times in the Bible.

Mark 1:26 At that, the evil spirit screamed, threw the man into a convulsion, and then came out of him.
Mark 9:26 Then the spirit screamed and threw the boy into another violent convulsion and left him. The boy appeared to be dead. A murmur ran through the crowd as people said, “He’s dead.”
Luke 9:39 An evil spirit keeps seizing him, making him scream. It throws him into convulsions so that he foams at the mouth. It batters him and hardly ever leaves him alone.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.