Where does “holkr” come from?

holkr (Old Norse) comes from Proto-Germanic hulkaz, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “holkr”, step by step

StepLanguageWordMeaning
1Proto-Germanichulkazcavity, hollow, recess; a hollow
2Proto-Indo-Europeanḱel-to cover; to incline

Words derived from “holkr

Every word from Proto-Indo-European ḱel-Every word from Proto-Germanic hulkaz