Where does “enistī” come from?

enistī (Proto-Celtic) comes from Proto-Indo-European h₁eni-sth₂-ih₂, from Proto-Indo-European steh₂- — to stand.

enistī (Proto-Celtic): island

Definitions

Step	Language	Word	Meaning
1	Proto-Indo-European	h₁eni-sth₂-ih₂	—
2	Proto-Indo-European	steh₂-	to stand

enistī — Etymology, Origin & Word History | Etymology Explorer