Etymology
Coined by Willibald Ruch and René T. Proyer, assisted by Christian F. Hempelmann and Sean Harrigan, from Ancient Greek καταγελαστής (katagelastḗs, “mocker”), from καταγελάω (katageláō, “to laugh at, jeer at, laugh down”), from κατά (katá, “downwards”) + γελάω (geláō, “to laugh”).