Where does “Øysteinn” come from?

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

Ancestry of “Øysteinn”, step by step

Øysteinn traces back through two separate lines of ancestry.

via Old Norse ey

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

via Old Norse Steinn

StepLanguageWordMeaning
1Old NorseSteinna stone, boulder, rock
2Proto-Norseᛊᛏᚨᛁᚾᚨᛉstone
3Proto-Germanicstainazstone
4Proto-Indo-Europeansteyh₂-to stiffen
5Proto-Indo-Europeansteh₂-to stand

Words derived from “Øysteinn”

Every word from Proto-Indo-European h₂ékʷeh₂ →Every word from Proto-Germanic agwjō →Every word from Proto-Germanic awjō →