Where does “på hal is” come from?

på hal is (Swedish) comes from Swedish hål, from Old Swedish hul, from Old Norse hól, from Proto-Germanic hulą, from Proto-Germanic hulaz, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “på hal is”, step by step

på hal is traces back through 3 separate lines of ancestry.

via Swedish hål

StepLanguageWordMeaning
1Swedishhåla hole; a hole, an opening in something solid; a...
2Old Swedishhul—
3Old Norsehóla hole
4Proto-Germanichuląa hollow; depression; hole
5Proto-Germanichulazhollow
6Proto-Indo-Europeanḱel-to cover; to incline

via Swedish is

StepLanguageWordMeaning
1SwedishisIce; frozen water; Ice; a sheet of ice lying on a...
2Old Swedishis—
3Old Norseíssice
4Proto-Germanicīsąice
5Proto-Indo-Europeanh₁eyH-ice, frost

via Swedish på

StepLanguageWordMeaning
1Swedishpåon, on top of; touching from above; on, against,...
Every word from Proto-Indo-European ḱel- →Every word from Proto-Germanic hulaz →Every word from Proto-Germanic hulą →