Where does “Antosiewicz” come from?

Antosiewicz (Polish) comes from Polish Antos, from Polish Antoni, from Latin antonius, from Ancient Greek Ἄντων.

Ancestry of “Antosiewicz”, step by step

StepLanguageWordMeaning
1PolishAntos—
2PolishAntoni—
3LatinantoniusThe name of a Roman gens, a "family name"
4Ancient GreekἌντων—
Every word from Ancient Greek Ἄντων →Every word from Latin antonius →Every word from Polish Antoni →