Where does “fjörutíu” come from?

fjörutíu (Icelandic) comes from Icelandic fjórir, from Old Norse fjórir, from Proto-Germanic fedwōr, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

fjörutíu (Icelandic): forty; the cardinal number after þrjátíu og níu...

Definitions

  1. forty; the cardinal number after þrjátíu og níu...

Ancestry of “fjörutíu”, step by step

fjörutíu traces back through two separate lines of ancestry.

via Icelandic fjórir

StepLanguageWordMeaning
1Icelandicfjórirfour; the cardinal number after þrír and before...
2Old Norsefjórirfour
3Proto-Germanicfedwōrfour
4Proto-Indo-Europeankʷetwóresfour
5Proto-Indo-Europeankʷe-and

via Icelandic tíu

StepLanguageWordMeaning
1Icelandictíuten; the cardinal number after níu and before...
2Old Norsetíuten
3Proto-Germanictehunten
4Proto-Indo-Europeandéḱm̥tten
Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Germanic fedwōr →