Where does “Иларион” come from?

Иларион (Russian) comes from Latin Hilarianus, from Latin Hilarius, from Latin hilaris, from Ancient Greek ἱλαρός, from Ancient Greek ἵλαος, from Proto-Indo-European sēlh₂- — to calm, quiet, be favourable.

Ancestry of “Иларион”, step by step

StepLanguageWordMeaning
1LatinHilarianus
2LatinHilariuscheerful, happy; Latin name of Saint Hilary of...
3Latinhilarischeerful, lively, light-hearted, merry
4Ancient Greekἱλαρόςcheerful, merry, joyous, glad, happy
5Ancient Greekἵλαοςpropitious, gracious, merciful; kind, mild,...
6Proto-Indo-Europeansēlh₂-to calm, quiet, be favourable

Words derived from “Иларион

Every word from Proto-Indo-European sēlh₂-Every word from Ancient Greek ἵλαοςEvery word from Ancient Greek ἱλαρός