Where does “dew ugens” come from?

dew ugens (Cornish) comes from Cornish ugens, from Middle Cornish ugens,ugans,vgons, 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.

dew ugens (Cornish): forty

Definitions

  1. forty

Ancestry of “dew ugens”, step by step

dew ugens traces back through two separate lines of ancestry.

via Cornish ugens

StepLanguageWordMeaning
1Cornishugenstwenty
2Middle Cornishugens,ugans,vgons—
3Proto-Brythonicʉgėnt—
4Proto-Celticwikantītwenty
5Proto-Indo-Europeanh₁wih₁ḱm̥t—
6Proto-Indo-Europeandwi(h₁)dḱm̥titwo tens; two decades; twenty; two-ten

via Cornish dew

StepLanguageWordMeaning
1Cornishdewtwo
2Proto-Brythonic*dowtwo
3Proto-Celtic*duwotwo
4Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwi(h₁)dḱm̥ti →Every word from Proto-Indo-European h₁wih₁ḱm̥t →Every word from Proto-Celtic wikantī →