Where does “ei” come from?

ei (Norwegian Nynorsk) comes from Middle Norwegian eigh, from Old Norse eigi, from Proto-Germanic aigô, from Proto-Germanic aiganą, from Proto-Indo-European h₂eh₂óyḱe, from Proto-Indo-European h₂eyḱ- — to possess, to own.

ei (Norwegian Nynorsk): a, an; feminine singular of ein; not

Definitions

  1. a, an; feminine singular of ein; not

Ancestry of “ei”, step by step

ei traces back through two separate lines of ancestry.

via Middle Norwegian eigh

StepLanguageWordMeaning
1Middle Norwegianeigh
2Old Norseeigipossession; property; not
3Proto-Germanicaigôone who owns or possesses; owner, possessor
4Proto-Germanicaiganąto possess, to own, to have
5Proto-Indo-Europeanh₂eh₂óyḱeto possess, to own
6Proto-Indo-Europeanh₂eyḱ-to possess, to own

via Old Norse einn

StepLanguageWordMeaning
1Old Norseeinnone; some, a few
2Proto-Germanicainazone; some
3Proto-Indo-Europeanóynosone; single

Words derived from “ei

Every word from Proto-Indo-European h₂eyḱ-Every word from Proto-Indo-European h₂eh₂óyḱeEvery word from Proto-Germanic aiganą