Where does “Eirini” come from?

Eirini (English) comes from Greek Ειρήνη, from Ancient Greek Εἰρήνη, from Ancient Greek εἰρήνη, from Ancient Greek εἴρω, from Proto-Hellenic wéřřō, from Proto-Indo-European wéryeti, from Proto-Indo-European werh₁- — to speak, say.

Ancestry of “Eirini”, step by step

StepLanguageWordMeaning
1GreekΕιρήνηpeace, tranquility, harmony
2Ancient GreekΕἰρήνηpeace
3Ancient Greekεἰρήνηpeace
4Ancient GreekεἴρωI tie, join, fasten, string together; I insert;...
5Proto-Hellenicwéřřōto say, to tell
6Proto-Indo-Europeanwéryetito be saying
7Proto-Indo-Europeanwerh₁-to speak, say
Every word from Proto-Indo-European werh₁- →Every word from Proto-Indo-European wéryeti →Every word from Proto-Hellenic wéřřō →