Where does “Ireneusz” come from?

Ireneusz (Polish) comes from Latin Irenaeus, from Ancient Greek εἰρηναῖος, 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 “Ireneusz”, step by step

StepLanguageWordMeaning
1LatinIrenaeus
2Ancient Greekεἰρηναῖοςpeaceful
3Ancient GreekΕἰρήνηpeace
4Ancient Greekεἰρήνηpeace
5Ancient GreekεἴρωI tie, join, fasten, string together; I insert;...
6Proto-Hellenicwéřřōto say, to tell
7Proto-Indo-Europeanwéryetito be saying
8Proto-Indo-Europeanwerh₁-to speak, say

Words derived from “Ireneusz

Every word from Proto-Indo-European werh₁-Every word from Proto-Indo-European wéryetiEvery word from Proto-Hellenic wéřřō