Where does “Jerker” come from?

Jerker (Swedish) comes from Old Norse Eiríkr, from Proto-Norse *Aiwa-rikiaʀ.

Ancestry of “Jerker”, step by step

StepLanguageWordMeaning
1Old NorseEiríkr
2Proto-Norse*Aiwa-rikiaʀ
Every word from Proto-Norse *Aiwa-rikiaʀEvery word from Old Norse Eiríkr