Where does “Ιούλης” come from?
Ιούλης (Greek) comes from Byzantine Greek Ἰούλης, from Ancient Greek Ἰούλιος, from Latin Iūlius, from Latin iuppiter, from Proto-Italic djous patēr, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws — to be bright; sky, heaven.
Ancestry of “Ιούλης”, step by step