Where does “rostfri” come from?

rostfri (Swedish) comes from Swedish röst, from German rōst, from Middle High German rōst, from Old High German rōst, from Old French rostir, from Frankish rōstjan, from Proto-Germanic raustijaną, from Proto-Indo-European *Hrews-.

rostfri (Swedish): stainless, rustproof

Definitions

  1. stainless, rustproof

Ancestry of “rostfri”, step by step

StepLanguageWordMeaning
1Swedishröstvoice; vote
2Germanrōstroofing frame
3Middle High Germanrōst—
4Old High Germanrōst—
5Old Frenchrostirto roast; to torture by subjecting to fire
6Frankishrōstjanto roast
7Proto-Germanicraustijanąto roast
8Proto-Indo-European*Hrews-—

Words derived from “rostfri”

Every word from Proto-Indo-European *Hrews- →Every word from Proto-Germanic raustijaną →Every word from Frankish rōstjan →