Where does “starobylý” come from?

starobylý (Czech) comes from Czech být, from Old Czech býti, from Proto-Slavic *byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

starobylý (Czech): ancient

Definitions

  1. ancient

Ancestry of “starobylý”, step by step

starobylý traces back through two separate lines of ancestry.

via Czech být

StepLanguageWordMeaning
1Czechbýtto be; Jel jsem do Prahy. ― I went to Prague;...
2Old Czechbýtito be
3Proto-Slavic*byti
4Proto-Balto-Slavicbū́ˀteito be
5Proto-Indo-EuropeanbʰuH-to become, grow, appear

via Czech starý

StepLanguageWordMeaning
1Czechstarýold
2Proto-Slavicstarъold
3Proto-Balto-Slavicstaʔros
4Proto-Indo-Europeansteh₂-ro-large, big, thick; old
5Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European bʰuH-Every word from Proto-Balto-Slavic bū́ˀteiEvery word from Proto-Slavic *byti