Where does “kjølki” come from?

kjølki (Norwegian Nynorsk) comes from Old Norse kjalki, from Proto-Germanic *kelkô — jaw-bone.

Ancestry of “kjølki”, step by step

StepLanguageWordMeaning
1Old Norsekjalkijaw-bone; hand-sledge
2Proto-Germanic*kelkôjaw-bone
Every word from Proto-Germanic *kelkô →Every word from Old Norse kjalki →