Where does “is” come from?

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

Ancestry of “is”, step by step

StepLanguageWordMeaning
1Old Norseíssice
2Proto-Germanicīsąice
3Proto-Indo-Europeanh₁eyH-ice, frost

Words derived from “is”

Every word from Proto-Indo-European h₁eyH- →Every word from Proto-Germanic īsą →Every word from Old Norse íss →
is — Etymology, Origin & Word History | Etymology Explorer