Where does “ildkugle” come from?

ildkugle (Danish) comes from Danish ild, from Old Danish eld, from Old Norse eldr, from Proto-Germanic ailidaz, from Proto-Germanic ailijaną, from Proto-Indo-European h₂eydʰ- — to ignite; fire.

ildkugle (Danish): fireball; bolide

Definitions

  1. fireball; bolide

Ancestry of “ildkugle”, step by step

ildkugle traces back through two separate lines of ancestry.

via Danish ild

StepLanguageWordMeaning
1Danishildfire; ardor
2Old Danisheld
3Old Norseeldrfire
4Proto-Germanicailidazfire, pyre
5Proto-Germanicailijanąto kindle
6Proto-Indo-Europeanh₂eydʰ-to ignite; fire

via Danish kugle

StepLanguageWordMeaning
1Danishkugleball; pellet; marble
2Germankugelinflection of kugeln: ## first-person singular...
3Proto-Germanickuggilazknobbed instrument
4Proto-Germanickuggǭcog, swelling
5Proto-Indo-Europeangewgʰ-swelling, bow
6Proto-Indo-Europeangēw-to bend, arch
Every word from Proto-Indo-European h₂eydʰ-Every word from Proto-Germanic ailijanąEvery word from Proto-Germanic ailidaz