Where does “kasterska” come from?

kasterska (Swedish) comes from Swedish kasta, from Old Swedish kasta, from Old Norse kasta, from Proto-Germanic kastōną, from Proto-Germanic kas- — to throw; bring up; toss.

Ancestry of “kasterska”, step by step

StepLanguageWordMeaning
1Swedishkastato throw; make an object fly through the air; to...
2Old Swedishkastato throw, cast
3Old Norsekastato cast, to throw
4Proto-Germanickastōnąto throw
5Proto-Germanickas-to throw; bring up; toss
Every word from Proto-Germanic kas- →Every word from Proto-Germanic kastōną →Every word from Old Norse kasta →