καθάπτωkatháptō

to seize upon

Greek (New Testament) · G2510

Meanings

1. to fasten on, put upon, with accusative

2. Act. for middle (cf. Bl., § 53, 3), to lay hold of, attack: with genitive, χειρός, Acts 28:3.

Same root

κατάkatá · G2596(prepositionally) down (in place or time), in varied relations (according to the case (genitive, dative or accusative) with which it is joined)
ἅπτομαιháptomai · G680properly, to attach oneself to, i.e. to touch (in many implied relations)

Where it appears

Appears 1 times in the Bible.

Acts 28:3 As Paul gathered an armful of sticks and was laying them on the fire, a poisonous snake, driven out by the heat, bit him on the hand.

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