Where does “tri ugens” come from?

tri 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.

tri ugens (Cornish): sixty

Definitions

  1. sixty

Ancestry of “tri ugens”, step by step

tri 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 tri

StepLanguageWordMeaning
1Cornishtrithree
2Proto-Brythonictrithree
3Proto-Celtictrīsthree
4Proto-Indo-European*tréyes
Every word from Proto-Indo-European dwi(h₁)dḱm̥tiEvery word from Proto-Indo-European h₁wih₁ḱm̥tEvery word from Proto-Celtic wikantī