Where does “ἔξαρχος” come from?

ἔξαρχος (Ancient Greek) comes 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 “ἔξαρχος”, step by step

ἔξαρχος traces back through two separate lines of ancestry.

via Ancient Greek ἐξ

StepLanguageWordMeaning
1Ancient GreekἐξAlternative form of ἐκ; out; from, out of
2Ancient GreekὝπνοςHypnos, the Greek mythological god of sleep
3Proto-Hellenichúpnos—
4Proto-Indo-Europeansupnóssleep; death
5Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s—
6Proto-Indo-Europeanswep-to sleep

via Ancient Greek ἄρχων

StepLanguageWordMeaning
1Ancient Greekἄρχωνruler; archon, a chief magistrate at Athens;...
2Ancient GreekἄρχωTo begin; To lead, rule, govern, command; To be...
3Proto-Indo-Europeanh₂ergʰ-to begin; to command, rule; to begin, rule,...

Words derived from “ἔξαρχος”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥s →Every word from Proto-Indo-European supnós →