exodist

Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁eǵʰs
Proto-Hellenic *eks
Ancient Greek ἐκ (ek)
Ancient Greek ἐξ- (ex-)
Proto-Indo-European *sed-der.
Proto-Indo-European *sodós?
Proto-Hellenic *hodós
Ancient Greek ὁδός (hodós)
Ancient Greek ἔξοδος (éxodos)der.
Latin exodusder.
English exodus
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istader.
Old French -istebor.
Middle English -ist
English -ist
English exodist
From exodus + -ist.