Where does “eilrif” come from?

eilrif (Welsh) comes from Welsh ail, from Middle Welsh eil, from Proto-Brythonic ėl, from Proto-Celtic alyos, from Proto-Indo-European h₂élyos, from Proto-Indo-European h₂él- — to grow, nourish.

eilrif (Welsh): even number

Definitions

  1. even number

Ancestry of “eilrif”, step by step

eilrif traces back through two separate lines of ancestry.

via Welsh ail

StepLanguageWordMeaning
1Welshailsecond
2Middle Welsheil—
3Proto-BrythonicėlAPI; second, other
4Proto-Celticalyosother, second
5Proto-Indo-Europeanh₂élyosother, another
6Proto-Indo-Europeanh₂él-to grow, nourish

via Welsh rhif

StepLanguageWordMeaning
1Welshrhifnumber
2Proto-Brythonicrriβ̃number
3Proto-Celticrīmānumber
4Proto-Indo-Europeanh₂rey-to count, count out; to arrange
5Proto-Indo-Europeanh₂er-to fit, to fix, to put together
Every word from Proto-Indo-European h₂él- →
eilrif — Etymology, Origin & Word History | Etymology Explorer