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
fireball; bolide
Ancestry of “ildkugle”, step by step
ildkugle traces back through two separate lines of ancestry.