Where does “vigen-” come from?

vigen- (English) comes from Latin viginti, from Proto-Indo-European h₁wih₁ḱm̥ti, from Proto-Indo-European dwi(h₁)dḱm̥ti — two tens; two decades; twenty; two-ten.

vigen- (English): twenty

Definitions

twenty

Ancestry of “vigen-”, step by step

Step	Language	Word	Meaning
1	Latin	viginti	twenty; 20
2	Proto-Indo-European	h₁wih₁ḱm̥ti	—
3	Proto-Indo-European	dwi(h₁)dḱm̥ti	two tens; two decades; twenty; two-ten

Every word from Proto-Indo-European dwi(h₁)dḱm̥ti →

vigen- — Etymology, Origin & Word History | Etymology Explorer