Where does “Jorsala” come from?

Jorsala (Swedish) comes from Old Swedish Iōrsala, from Old Norse Jórsalir, from Old Norse jór, from Proto-Germanic ehwaz, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

Ancestry of “Jorsala”, step by step

StepLanguageWordMeaning
1Old SwedishIōrsala
2Old NorseJórsalir
3Old Norsejórhorse, stallion
4Proto-Germanicehwazhorse; name of the E-rune
5Proto-Indo-Europeanh₁éḱwosstallion, horse
6Proto-Indo-Europeanh₁oh₁ḱu-swift
Every word from Proto-Indo-European h₁oh₁ḱu-Every word from Proto-Indo-European h₁éḱwosEvery word from Proto-Germanic ehwaz