Where does “rasvatorstai” come from?

rasvatorstai (Finnish) comes from Finnish torstai, from Old Norse þórsdagr, 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.

rasvatorstai (Finnish): Fat Thursday

Definitions

  1. Fat Thursday

Ancestry of “rasvatorstai”, step by step

rasvatorstai traces back through two separate lines of ancestry.

via Finnish torstai

StepLanguageWordMeaning
1FinnishtorstaiThursday
2Old NorseþórsdagrThursday
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 Finnish rasva

StepLanguageWordMeaning
1Finnishrasvafat; grease; ointment
2Proto-Finnicrasvafat
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws