Where does “flintasten” come from?

flintasten (Swedish) comes from Swedish Sten, from Old Swedish sten, from Old Norse Steinn, from Proto-Norse ᛊᛏᚨᛁᚾᚨᛉ, from Proto-Germanic stainaz, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.

Ancestry of “flintasten”, step by step

flintasten traces back through two separate lines of ancestry.

via Swedish Sten

StepLanguageWordMeaning
1SwedishStena stone; a rock
2Old Swedishstenstone
3Old NorseSteinna stone, boulder, rock
4Proto-Norseᛊᛏᚨᛁᚾᚨᛉstone
5Proto-Germanicstainazstone
6Proto-Indo-Europeansteyh₂-to stiffen
7Proto-Indo-Europeansteh₂-to stand

via Swedish flinta

StepLanguageWordMeaning
1Swedishflintaflint (mineral)
2Middle Low Germanvlint—
Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European steyh₂- →Every word from Proto-Germanic stainaz →
flintasten — Etymology, Origin & Word History | Etymology Explorer