Where does “ugens” come from?
ugens (Cornish) comes 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.
ugens (Cornish): twenty
Ancestry of “ugens”, step by step