Where does “dia” come from?

dia (Portuguese) comes from Old Portuguese dia, from Vulgar Latin dia, 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.

dia (Portuguese): day; occurring on the specified day of the month

Definitions

  1. day; occurring on the specified day of the month

Ancestry of “dia”, step by step

StepLanguageWordMeaning
1Old Portuguesediaday
2Vulgar Latindiainflection of dius: ## nominative/vocative...
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 “dia

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