Where does “fastlagsris” come from?

fastlagsris (Swedish) comes from Swedish ris, from Old Norse rís, from Middle Low German rīs, from Old French ris, from Italian riso, from Latin rīsus, from Ancient Greek ὄρυζα, from Proto-Iranian *wrinǰiš.

Ancestry of “fastlagsris”, step by step

fastlagsris traces back through two separate lines of ancestry.

via Swedish ris

StepLanguageWordMeaning
1Swedishrissmall shrubs, such as blueberry and lingonberry,...
2Old Norserís—
3Middle Low Germanrīs—
4Old Frenchrisreef
5Italianrisolaughter, laugh; rice; past participle of ridere
6Latinrīsuslaughed at, ridiculed, mocked, having been ridiculed
7Ancient Greekὄρυζαrice
8Proto-Iranian*wrinǰiš—

via Swedish fastlag

StepLanguageWordMeaning
1SwedishfastlagShrovetide
Every word from Proto-Iranian *wrinǰiš →Every word from Ancient Greek ὄρυζα →Every word from Latin rīsus →