Where does “Thursday” come from?

Thursday comes from Old English þunresdæġ, meaning the day of Þunor (the thunder god), which had the variant form þūresdæġ in Middle English.

Thursday (English): The fifth day of the week in many religious...

Definitions

  1. The fifth day of the week in many religious...

Ancestry of “Thursday”, step by step

Thursday traces back through two separate lines of ancestry.

via Middle English Thursday

StepLanguageWordMeaning
1Middle EnglishThursdayThursday fifth day of the week
2Old EnglishþursdæġThursday
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

via Middle English Thuresday

StepLanguageWordMeaning
1Middle EnglishThuresday—
2Old EnglishþurresdæġThursday
3Old EnglishþunresdæġThursday
Every word from Proto-Indo-European dyew- →