Where does “Aecjusz” come from?

Aecjusz (Polish) comes from Latin Aetius, from Ancient Greek Ἀέτιος, from Ancient Greek ἀετός, from Proto-Hellenic ayyetós, from Proto-Indo-European h₂ewyetós, from Proto-Indo-European h₂éwis — bird.

Ancestry of “Aecjusz”, step by step

StepLanguageWordMeaning
1LatinAetius—
2Ancient GreekἈέτιος—
3Ancient Greekἀετόςeagle; the constellation Aquila; omen
4Proto-Hellenicayyetós—
5Proto-Indo-Europeanh₂ewyetós—
6Proto-Indo-Europeanh₂éwisbird
Every word from Proto-Indo-European h₂éwis →Every word from Proto-Indo-European h₂ewyetós →Every word from Proto-Hellenic ayyetós →