Where does “Ireczek” come from?

Ireczek (Polish) comes from Polish Irek, from Polish Ireneusz, from Latin Irenaeus, from Ancient Greek εἰρηναῖος, from Ancient Greek Εἰρήνη, from Ancient Greek εἰρήνη, from Ancient Greek εἴρω, from Proto-Hellenic wéřřō — to speak, say.

Ancestry of “Ireczek”, step by step

Ireczek traces back through two separate lines of ancestry.

via Polish Irek

StepLanguageWordMeaning
1PolishIrek
2PolishIreneusz
3LatinIrenaeus
4Ancient Greekεἰρηναῖοςpeaceful
5Ancient GreekΕἰρήνηpeace
6Ancient Greekεἰρήνηpeace
7Ancient GreekεἴρωI tie, join, fasten, string together; I insert;...
8Proto-Hellenicwéřřōto say, to tell
9Proto-Indo-Europeanwéryetito be saying
10Proto-Indo-Europeanwerh₁-to speak, say

via Bulgarian И́речек

StepLanguageWordMeaning
1BulgarianИ́речек
Every word from Proto-Indo-European werh₁-Every word from Proto-Indo-European wéryetiEvery word from Proto-Hellenic wéřřō