Where does “jousbarbe” come from?

jousbarbe (French) comes from Latin Iuppiter, from Proto-Italic djous patēr, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws, from Proto-Indo-European dyew- — to be bright; sky, heaven.

Ancestry of “jousbarbe”, step by step

jousbarbe traces back through two separate lines of ancestry.

via Latin Iuppiter

StepLanguageWordMeaning
1LatinIuppiterJupiter; father Jove; the Roman god Jove or...
2Proto-Italicdjous patērJupiter
3Proto-Italic*djous—
4Proto-Indo-Europeandyḗwssky, heaven; sky god
5Proto-Indo-Europeandyéwssky, heaven
6Proto-Indo-Europeandyew-to be bright; sky, heaven

via Latin barba

StepLanguageWordMeaning
1Latinbarbabeard; wool, down on a plant; Alternative form of...
2Latinfarba—
3Proto-Italicfarβābeard
4Proto-Indo-Europeanbʰardʰéh₂beard
Every word from Proto-Indo-European dyew- →Every word from Proto-Indo-European dyéws →Every word from Proto-Indo-European dyḗws →