Where does “Kalsoy” come from?

Kalsoy (Faroese) comes from Faroese oy, from Old Norse ey, from Proto-Norse *ᚨᚢᛃᚢ, from Proto-Germanic awjō, from Proto-Germanic agwjō, from Proto-Indo-European h₂ékʷeh₂ — water.

Ancestry of “Kalsoy”, step by step

Kalsoy traces back through two separate lines of ancestry.

via Faroese oy

StepLanguageWordMeaning
1Faroeseoyisland
2Old Norseeyalways, ever; island
3Proto-Norse*ᚨᚢᛃᚢ
4Proto-Germanicawjōfloodplain; meadow; island
5Proto-Germanicagwjō
6Proto-Indo-Europeanh₂ékʷeh₂water

via Faroese kallur

StepLanguageWordMeaning
1Faroesekallurmale, man; old man
2Old NorseKarlman
3Proto-Norseᚲᚨᚱᛁᛚᚨᛉ
4Proto-Germanickarilazfree man, franklin; little man, young man
5Proto-Germanickaraz
6Proto-Indo-Europeanǵerh₂-to grow old, to mature
Every word from Proto-Indo-European h₂ékʷeh₂Every word from Proto-Germanic agwjōEvery word from Proto-Germanic awjō