To punish

Greek: κολαζω [kolazô] (Verb). To punish.

κολαζω [kolazô] appears 2 times in the NT:

(1) Acts 4: 21
So when they had further threatened them, they let them go, finding nothing how they might punish them, because of the people: for all [men] glorified God for that which was done. - κολασωνται [kolasôntai] Aorist Subjunctive Middle, 3 pl.

(2) 2 Peter 2: 9
The Lord knoweth how to deliver the godly out of temptations, and to reserve the unjust unto the day of judgment to be punished: - κολαζομενους [kolazomenous] Present Participle Passive, accus. pl. masc. Lit: "being punished".