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 sturtijan →Every word from Old Saxon sturtian →