Where does “svallis” come from?

svallis (Swedish) comes from Swedish is, from Old Swedish is, from Old Norse íss, from Proto-Germanic īsą, from Proto-Indo-European h₁eyH- — ice, frost.

svallis (Swedish): (often wavy) ice formed by water repeatedly running over previously formed ice and freezing

Definitions

  1. (often wavy) ice formed by water repeatedly running over previously formed ice and freezing

Ancestry of “svallis”, step by step

svallis traces back through two separate lines of ancestry.

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 svälla

StepLanguageWordMeaning
1Swedishsvällato swell
2Old Swedishsvællato swell
3Old Norsesvellato swell
4Proto-Germanicswellanąto swell
5Proto-Indo-Europeanswel-to smolder; burn; scorch; beam, board, frame,...
Every word from Proto-Indo-European h₁eyH- →Every word from Proto-Germanic īsą →Every word from Old Norse íss →