Where does “*bylъ” come from?

*bylъ (Proto-Slavic) comes from Proto-Indo-European bʰuH- — to become, grow, appear.

Ancestry of “*bylъ”, step by step

StepLanguageWordMeaning
1Proto-Indo-EuropeanbʰuH-to become, grow, appear

Words derived from “*bylъ

Every word from Proto-Indo-European bʰuH-