Where does “pedwar ar bymtheg a phedwar ugain” come from?

pedwar ar bymtheg a phedwar ugain (Welsh) comes from Welsh pedwar, from Middle Welsh pedwar, from Old Welsh petuar, from Proto-Brythonic pedwar, from Proto-Celtic *kʷetwores, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

pedwar ar bymtheg a phedwar ugain (Welsh): ninety-nine

Definitions

  1. ninety-nine

Ancestry of “pedwar ar bymtheg a phedwar ugain”, step by step

pedwar ar bymtheg a phedwar ugain traces back through 3 separate lines of ancestry.

via Welsh pedwar

StepLanguageWordMeaning
1Welshpedwarfour
2Middle Welshpedwar
3Old Welshpetuar
4Proto-Brythonicpedwarfour
5Proto-Celtic*kʷetworesfour
6Proto-Indo-Europeankʷetwóresfour
7Proto-Indo-Europeankʷe-and

via Welsh ar

StepLanguageWordMeaning
1Welsharon; about to
2Middle Welsharon, upon; over, of; he/she who, whoever
3Proto-Brythonicarin front of; ploughing, ploughed land
4Proto-Celticarosploughing, ploughed land
5Proto-Indo-Europeanh₂erh₃-o-ploughing
6Proto-Indo-Europeanh₂erh₃-to plough
7Proto-Indo-Europeanh₁er-earth

via Welsh ugain

StepLanguageWordMeaning
1Welshugaintwenty; score
2Old Welshuceint
3Proto-Brythonicʉgėnt
4Proto-Celticwikantītwenty
5Proto-Indo-Europeanh₁wih₁ḱm̥t
6Proto-Indo-Europeandwi(h₁)dḱm̥titwo tens; two decades; twenty; two-ten
Every word from Proto-Indo-European kʷe-