Where does “störtning” come from?

störtning (Swedish) comes from Swedish störta, from Old Swedish styrta, from Middle Low German störten, from Old Saxon sturtian, from Proto-West Germanic sturtijan, from Proto-Indo-European (s)ter- — strong, firm, stiff, rigid; rigid, stiff; to...

Ancestry of “störtning”, step by step

störtning traces back through two separate lines of ancestry.

via Swedish störta

StepLanguageWordMeaning
1Swedishstörtato descend or fall uncontrollably, ultimately...
2Old Swedishstyrta
3Middle Low Germanstörten
4Old Saxonsturtian
5Proto-West Germanicsturtijanto fall down, tumble
6Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...

via Swedish ning

StepLanguageWordMeaning
1Swedishning
Every word from Proto-Indo-European (s)ter-Every word from Proto-West Germanic sturtijanEvery word from Old Saxon sturtian