Where does “diūs” come from?

diūs (Latin) comes 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 “diūs”, step by step

diūs traces back through 3 separate lines of ancestry.

via Proto-Italic djous

StepLanguageWordMeaning
1Proto-Italicdjousday, sky; Jupiter
2Proto-Indo-Europeandyḗwssky, heaven; sky god
3Proto-Indo-Europeandyéwssky, heaven
4Proto-Indo-Europeandyew-to be bright; sky, heaven

via Proto-Indo-European diwyós

StepLanguageWordMeaning
1Proto-Indo-Europeandiwyósheavenly
2Proto-Indo-European-yósCreates adjectives from noun or verb stems

via Proto-Italic *djous

StepLanguageWordMeaning
1Proto-Italic*djous

Words derived from “diūs

Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws