Where does “jukudl” come from?

jukudl (Norwegian Nynorsk) comes from Old Norse jǫkull, from Old Norse jaki, from Proto-Germanic jekô, from Proto-Indo-European h₁yeg- — ice, icicle.

Ancestry of “jukudl”, step by step

StepLanguageWordMeaning
1Old Norsejǫkullicicle; ice; glacier
2Old Norsejakibroken ice, icefloe
3Proto-Germanicjekôpiece of ice; hoarfrost
4Proto-Indo-Europeanh₁yeg-ice, icicle
Every word from Proto-Indo-European h₁yeg-Every word from Proto-Germanic jekôEvery word from Old Norse jaki