Where does “diurn” come from?

diurn (Romanian) comes from French diurne, from Latin diurnus, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws, from Proto-Indo-European dyew- — to be bright; sky, heaven.

diurn (Romanian): diurnal

Definitions

  1. diurnal

Ancestry of “diurn”, step by step

StepLanguageWordMeaning
1Frenchdiurnediurnal; a diurnal creature
2Latindiurnusof the day; daily; day
3LatindiēsA day, particularly
4Proto-Italicdjēmaccusative singular of *djous
5Proto-Italic*djous
6Proto-Indo-Europeandyḗwssky, heaven; sky god
7Proto-Indo-Europeandyéwssky, heaven
8Proto-Indo-Europeandyew-to be bright; sky, heaven

Words derived from “diurn

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