Where does “Ilarion” come from?

Ilarion (English) comes from Ukrainian Іларіон, from Russian Иларион, 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 “Ilarion”, step by step

StepLanguageWordMeaning
1UkrainianІларіон
2RussianИларион
3LatinHilarianus
4LatinHilariuscheerful, happy; Latin name of Saint Hilary of...
5Latinhilarischeerful, lively, light-hearted, merry
6Ancient Greekἱλαρόςcheerful, merry, joyous, glad, happy
7Ancient Greekἵλαοςpropitious, gracious, merciful; kind, mild,...
8Proto-Indo-Europeansēlh₂-to calm, quiet, be favourable
Every word from Proto-Indo-European sēlh₂-Every word from Ancient Greek ἵλαοςEvery word from Ancient Greek ἱλαρός