Where does “eldfarlig” come from?

eldfarlig (Swedish) comes from Swedish eld, from Old Swedish elder, from Old Norse eldr, from Proto-Germanic ailidaz, from Proto-Germanic ailijaną, from Proto-Indo-European h₂eydʰ- — to ignite; fire.

Ancestry of “eldfarlig”, step by step

eldfarlig traces back through two separate lines of ancestry.

via Swedish eld

StepLanguageWordMeaning
1Swedisheldfire, a continued chemical exothermic reaction...
2Old Swedishelderfire; a skin disease - possibly erysipelas
3Old Norseeldrfire
4Proto-Germanicailidazfire, pyre
5Proto-Germanicailijanąto kindle
6Proto-Indo-Europeanh₂eydʰ-to ignite; fire

via Swedish farlig

StepLanguageWordMeaning
1Swedishfarligdangerous
2Old Swedishfarlikerdangerous
3Middle Low Germanvarlik—
Every word from Proto-Indo-European h₂eydʰ- →