Where does “зборување” come from?

зборување (Macedonian) comes from Macedonian зборува, from Macedonian збор, from Proto-Slavic sъborъ, from Proto-Slavic borъ, from Proto-Balto-Slavic barús, from Proto-Indo-European bʰor- — to hum, buzz; coniferous forest; to protrude;...

Ancestry of “зборување”, step by step

StepLanguageWordMeaning
1Macedonianзборуваto speak
2Macedonianзборword
3Proto-Slavicsъborъmeeting, gathering, assembly
4Proto-Slavicborъpine tree; set, assembly; loot
5Proto-Balto-Slavicbarús—
6Proto-Indo-Europeanbʰor-to hum, buzz; coniferous forest; to protrude;...
Every word from Proto-Indo-European bʰor- →Every word from Proto-Balto-Slavic barús →Every word from Proto-Slavic borъ →