orgiast

The story

1. Ancient Greek · derived fromὀργιάζειν“to celebrate orgies”
2. Ancient Greek · borrowed fromὀργιαστής“attender or celebrator of an orgy”
3. English todayorgiast

From Ancient Greek ὀργιαστής (orgiastḗs, “attender or celebrator of an orgy”), from Ancient Greek ὀργιάζειν (orgiázein, “to celebrate orgies”).