Where does “dau ddeg pump” come from?

dau ddeg pump (Welsh) comes from Welsh pump, from Middle Welsh pymp, from Old Welsh pimp, from Proto-Brythonic pɨmp, from Proto-Celtic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

dau ddeg pump (Welsh): twenty-five

Definitions

  1. twenty-five

Ancestry of “dau ddeg pump”, step by step

dau ddeg pump traces back through 3 separate lines of ancestry.

via Welsh pump

StepLanguageWordMeaning
1Welshpumpfive
2Middle Welshpymp
3Old Welshpimp
4Proto-Brythonicpɨmpfive
5Proto-Celtickʷenkʷefive
6Proto-Indo-Europeanpénkʷefive

via Welsh dau

StepLanguageWordMeaning
1Welshdautwo
2Proto-Brythonic*dowtwo
3Proto-Celtic*duwotwo
4Proto-Indo-Europeandwóh₁two

via Welsh deg

StepLanguageWordMeaning
1Welshdegten; Soft mutation of teg
2Proto-Brythonicdegten
3Proto-Celticdekamten
4Proto-Indo-Europeandéḱm̥ten
Every word from Proto-Indo-European pénkʷe