Where does “inlandsis” come from?

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

inlandsis (French): ice sheet

Definitions

  1. ice sheet

Ancestry of “inlandsis”, step by step

inlandsis 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 Danish indlandsis

StepLanguageWordMeaning
1Danishindlandsisice sheet, particularly in reference to that of...
2Danishisice; ice, ice cream
Every word from Proto-Indo-European h₁eyH-Every word from Proto-Germanic īsąEvery word from Old Norse íss
inlandsis — Etymology, Origin & Word History | Etymology Explorer