Where does “ἐξορκισμός” come from?

ἐξορκισμός (Ancient Greek) comes from Ancient Greek ἐξορκίζειν, from Ancient Greek ἐξ, from Ancient Greek Ὕπνος, from Proto-Hellenic húpnos, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.

Ancestry of “ἐξορκισμός”, step by step

StepLanguageWordMeaning
1Ancient Greekἐξορκίζεινbanish an evil spirit; bind by oath
2Ancient GreekἐξAlternative form of ἐκ; out; from, out of
3Ancient GreekὝπνοςHypnos, the Greek mythological god of sleep
4Proto-Hellenichúpnos
5Proto-Indo-Europeansupnóssleep; death
6Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s
7Proto-Indo-Europeanswep-to sleep
Every word from Proto-Indo-European swep-Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥sEvery word from Proto-Indo-European supnós