Where does “återkasta” come from?

återkasta (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.

återkasta (Swedish): to reflect (light, sound, etc.)

Definitions

  1. to reflect (light, sound, etc.)

Ancestry of “återkasta”, step by step

återkasta traces back through two separate lines of ancestry.

via Swedish kasta

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

via Swedish åter

StepLanguageWordMeaning
1Swedishåteragain; back
2Old Swedishāter
3Old Norseaptrback; again
4Proto-Germanicaftrąback, backwards; again, once more
5Proto-Indo-Europeanh₂epoterosfurther behind, further away
Every word from Proto-Germanic kas-Every word from Proto-Germanic kastōnąEvery word from Old Norse kasta