English
exorciser
From exorcise + -er.
A compound of exorcise + -er
Ancient Greek ἐξορκίζω ‘to banish an evil spirit’
Medieval Latin exorcizō ‘to exorcise: to fend off a demon or a…’
Middle English exorcisen
English exorcise
Today it means
noun One who performs an exorcism.
Language periods are conventional ranges, not dates for this word.
Etymograph / exorciser