8 letters · 17 points in Scrabble
verb expel through adjuration or prayers
originFrom Middle English exorcisen, exorzisen, from Medieval Latin exorcizō, from Ancient Greek ἐξορκίζω (exorkízō, “to banish an evil spirit; bind by oath”), from ἐξ (ex) + ὅρκος (hórkos). Compare Old French exorciser.
Etymology from Wiktionary, CC BY-SA 3.0