Where does “fettisdag” come from?

fettisdag (Swedish) comes from Swedish tisdag, from Old Swedish tisdagher, from Old Norse týsdagr, from Proto-Germanic *Tīwas dag, from Latin dīēs Martis, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous — to be bright; sky, heaven.

fettisdag (Swedish): Shrove Tuesday the Tuesday before Lent

Definitions

  1. Shrove Tuesday the Tuesday before Lent

Ancestry of “fettisdag”, step by step

fettisdag traces back through two separate lines of ancestry.

via Swedish tisdag

StepLanguageWordMeaning
1SwedishtisdagTuesday (now generally considered the second day of the week in non-religious contexts in Sweden)
2Old SwedishtisdagherTuesday
3Old NorsetýsdagrTuesday
4Proto-Germanic*Tīwas dag
5Latindīēs MartisTuesday
6LatindiēsA day, particularly
7Proto-Italicdjēmaccusative singular of *djous
8Proto-Italic*djous
9Proto-Indo-Europeandyḗwssky, heaven; sky god
10Proto-Indo-Europeandyéwssky, heaven
11Proto-Indo-Europeandyew-to be bright; sky, heaven

via Swedish fet

StepLanguageWordMeaning
1Swedishfetfat, obese; containing much fat; being especially...
2Old Swedishfēterfat
3Old Norsefeitrfat
4Proto-Germanicfaitazfat
5Proto-Indo-EuropeanpoyH-
6Proto-Indo-EuropeanpeyH-fat, milk

Words derived from “fettisdag

Every word from Proto-Indo-European dyew-