Where does “hulæ” come from?

hulæ (Old Danish) comes from Old Norse hola, from Old Norse holr, from Proto-Germanic hulaz, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “hulæ”, step by step

StepLanguageWordMeaning
1Old Norseholacave; to hollow
2Old Norseholrhollow
3Proto-Germanichulazhollow
4Proto-Indo-Europeanḱel-to cover; to incline

Words derived from “hulæ”

Every word from Proto-Indo-European ḱel- →Every word from Proto-Germanic hulaz →Every word from Old Norse holr →