κολάζω
Etym. Prob. from κόλος, akin to κολούω
1. Properly, "to curtail, dock, prune": then, like Lat. castigare, to keep within bounds, check, correct, Plat.:—perf. pass. part. "chastened", Arist.
2. "to chastise, punish", Soph., Eur., etc.:—Mid. "to get" a person "punished", Ar., Plat.:—Pass. "to be punished", Xen.