Where does “dirif” come from?

dirif (Welsh) comes from Welsh rhif, from Proto-Brythonic rriβ̃, from Proto-Celtic rīmā, from Proto-Indo-European h₂rey-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Ancestry of “dirif”, step by step

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 h₂er- →