Where does “κόλαση” come from?

κόλαση (Byzantine Greek) comes from Ancient Greek κόλασις, from Ancient Greek κολάζω, from Ancient Greek κόλος, from Proto-Indo-European ḱelh₂- — to pierce, strike; to stick; prick; stab.

Ancestry of “κόλαση”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κόλασις	chastisement, correction
2	Ancient Greek	κολάζω	to check; to chastise
3	Ancient Greek	κόλος	docked; hornless or stump horned
4	Proto-Indo-European	ḱelh₂-	to pierce, strike; to stick; prick; stab

Words derived from “κόλαση”

κόλαση

Every word from Proto-Indo-European ḱelh₂- →Every word from Ancient Greek κόλος →Every word from Ancient Greek κολάζω →