Where does “islom” come from?

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

islom (Danish): great northern diver, great northern loon, common loon (Gavia immer)

Definitions

  1. great northern diver, great northern loon, common loon (Gavia immer)

Ancestry of “islom”, step by step

islom traces back through two separate lines of ancestry.

via Danish is

StepLanguageWordMeaning
1Danishisice; ice, ice cream
2Old Norseíssice
3Proto-Germanicīsąice
4Proto-Indo-Europeanh₁eyH-ice, frost

via Danish lom

StepLanguageWordMeaning
1Danishlom—
2Old Norselómrloon
3Proto-Germaniclōmazbetrayal, deceit
4Proto-Indo-Europeanloh₁umos—
Every word from Proto-Indo-European h₁eyH- →Every word from Proto-Germanic īsą →Every word from Old Norse íss →