Where does “zabyty” come from?

zabyty (Polish) comes from Polish zabyć, from Proto-Slavic *zabỳti, from Proto-Slavic byti, from Proto-Balto-Slavic bū́ˀtei, from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “zabyty”, step by step

StepLanguageWordMeaning
1Polishzabyć—
2Proto-Slavic*zabỳtito forget
3Proto-Slavicbytito be
4Proto-Balto-Slavicbū́ˀteito be
5Proto-Indo-EuropeanbʰuH-to become, grow, appear
Every word from Proto-Indo-European bʰuH- →Every word from Proto-Balto-Slavic bū́ˀtei →Every word from Proto-Slavic byti →