Where does “Eugeniusz” come from?

Eugeniusz (Polish) comes from Latin Eugenius, from Ancient Greek Εὐγένιος, from Ancient Greek -γενής, from Ancient Greek -είᾱ, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

Ancestry of “Eugeniusz”, step by step

StepLanguageWordMeaning
1LatinEugeniusA Roman cognomen and later
2Ancient GreekΕὐγένιοςwell born
3Ancient Greek-γενήςborn in a certain place or condition; of a kind
4Ancient Greek-είᾱSuperficially appears in abstract nouns derived from σ-stem adjectives, with the true suffix being
5Ancient Greek-ήςadjective suffix
6Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
7Proto-Indo-European-ess
8Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ήςEvery word from Ancient Greek -είᾱ