Where does “jour” come from?

jour (Middle French) comes from Old French jor, from Latin diurnum, from Latin diurnus, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws — to be bright; sky, heaven.

jour (Middle French): daylight

Definitions

  1. daylight

Ancestry of “jour”, step by step

StepLanguageWordMeaning
1Old Frenchjorday
2Latindiurnummasculine accusative singular of diurnus; neuter...
3Latindiurnusof the day; daily; day
4LatindiēsA day, particularly
5Proto-Italicdjēmaccusative singular of *djous
6Proto-Italic*djous
7Proto-Indo-Europeandyḗwssky, heaven; sky god
8Proto-Indo-Europeandyéwssky, heaven
9Proto-Indo-Europeandyew-to be bright; sky, heaven

Words derived from “jour

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