Where does “donderdag” come from?

donderdag (Dutch) comes from Middle Dutch donresdach, from Old Dutch thonaresdag, from Proto-Germanic *Þunras dag, from Latin dies iovis, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.

donderdag (Dutch): Thursday

Definitions

  1. Thursday

Ancestry of “donderdag”, step by step

StepLanguageWordMeaning
1Middle Dutchdonresdach
2Old Dutchthonaresdag
3Proto-Germanic*Þunras dag
4Latindies iovisThursday
5LatindiēsA day, particularly
6Proto-Italicdjēmaccusative singular of *djous
7Proto-Italic*djous
8Proto-Indo-Europeandyḗwssky, heaven; sky god
9Proto-Indo-Europeandyéwssky, heaven
10Proto-Indo-Europeandyew-to be bright; sky, heaven

Words derived from “donderdag

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