Where does “enes” come from?

enes (Middle Breton) comes from Old Breton inis, from Proto-Brythonic ɨnɨs, from Proto-Celtic enistī, from Proto-Indo-European h₁eni-sth₂-ih₂, from Proto-Indo-European steh₂- — to stand.

Ancestry of “enes”, step by step

Step	Language	Word	Meaning
1	Old Breton	inis	—
2	Proto-Brythonic	ɨnɨs	island
3	Proto-Celtic	enistī	island
4	Proto-Indo-European	h₁eni-sth₂-ih₂	—
5	Proto-Indo-European	steh₂-	to stand

Every word from Proto-Indo-European steh₂- →

enes — Etymology, Origin & Word History | Etymology Explorer