Where does “chweugain” come from?

chweugain (Welsh) comes from Welsh ugain, from Old Welsh uceint, from Proto-Brythonic ʉgėnt, from Proto-Celtic wikantī, from Proto-Indo-European h₁wih₁ḱm̥t, from Proto-Indo-European dwi(h₁)dḱm̥ti — two tens; two decades; twenty; two-ten.

chweugain (Welsh): one hundred and twenty, six score

Definitions

  1. one hundred and twenty, six score

Ancestry of “chweugain”, step by step

chweugain traces back through two separate lines of ancestry.

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

via Welsh chwech

StepLanguageWordMeaning
1Welshchwechsix; sixpence
2Proto-Brythonichwexsix
3Proto-Celticswexssix
4Proto-Indo-Europeanswéḱssix
Every word from Proto-Indo-European dwi(h₁)dḱm̥tiEvery word from Proto-Indo-European h₁wih₁ḱm̥tEvery word from Proto-Celtic wikantī