Where does “Idzi” come from?

Idzi (Polish) comes from Latin Aegidius, from Latin Aegis, from Ancient Greek αἰγίς, from Ancient Greek αἴξ, from Proto-Indo-European h₂eyǵ- — goat; oak.

Ancestry of “Idzi”, step by step

Idzi traces back through two separate lines of ancestry.

via Latin Aegidius

StepLanguageWordMeaning
1LatinAegidius
2LatinAegisthe aegis, or shield. See Aegis; αἰγίς
3Ancient Greekαἰγίςthe aegis; a shield of Zeus or cloak of Athena; a...
4Ancient Greekαἴξgoat; a kind of waterfowl, possibly a goose; "In...
5Proto-Indo-Europeanh₂eyǵ-goat; oak

via Proto-Slavic *jьdi

StepLanguageWordMeaning
1Proto-Slavic*jьdi
Every word from Proto-Indo-European h₂eyǵ-Every word from Ancient Greek αἴξEvery word from Ancient Greek αἰγίς