Where does “Starybrat” come from?

Starybrat (Polish) comes from Polish Stary, from Old Polish stary, from Proto-Slavic starъ, from Proto-Balto-Slavic staʔros, from Proto-Indo-European steh₂-ro-, from Proto-Indo-European steh₂- — to stand.

Ancestry of “Starybrat”, step by step

Starybrat traces back through two separate lines of ancestry.

via Polish Stary

StepLanguageWordMeaning
1PolishStaryold
2Old Polishstaryold
3Proto-Slavicstarъold
4Proto-Balto-Slavicstaʔros—
5Proto-Indo-Europeansteh₂-ro-large, big, thick; old
6Proto-Indo-Europeansteh₂-to stand

via Polish brat

StepLanguageWordMeaning
1Polishbratbrother
2Old Polishbratbrother
3Proto-Slavicbratrъbrother
4Proto-Balto-Slavicbrā́ˀtēbrother
5Proto-Indo-Europeanbʰréh₂tērbrother
Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European steh₂-ro- →Every word from Proto-Balto-Slavic staʔros →