Where does “tirsdag” come from?

tirsdag (Norwegian Bokmål) comes from Danish tirsdag, from Old Norse týsdagr, from Proto-Germanic *Tīwas dag, from Latin dīēs Martis, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws — to be bright; sky, heaven.

tirsdag (Norwegian Bokmål): Tuesday

Definitions

  1. Tuesday

Ancestry of “tirsdag”, step by step

StepLanguageWordMeaning
1DanishtirsdagTuesday
2Old NorsetýsdagrTuesday
3Proto-Germanic*Tīwas dag
4Latindīēs MartisTuesday
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
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws