Where does “trettioen” come from?

trettioen (Swedish) comes from Swedish en, from Old Swedish ēn, from Old Norse einn, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

trettioen (Swedish): thirty-one

Definitions

  1. thirty-one

Ancestry of “trettioen”, step by step

trettioen traces back through two separate lines of ancestry.

via Swedish en

StepLanguageWordMeaning
1Swedishenone; "object form of" man; one; "the indefinite...
2Old Swedishēnone
3Old Norseeinnone; some, a few
4Proto-Germanicainazone; some
5Proto-Indo-Europeanóynosone; single

via Swedish trettio

StepLanguageWordMeaning
1Swedishtrettiothirty
2Old Swedishþrætighithirty
3Proto-Germanicþrīz tigiwizthirty
Every word from Proto-Indo-European óynos