Where does “сборный” come from?

сборный (Russian) comes from Russian сбор, from Old East Slavic съборъ, 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;...

сборный (Russian): collapsible; assembly; collection

Definitions

  1. collapsible; assembly; collection

Ancestry of “сборный”, step by step

StepLanguageWordMeaning
1Russianсборcollection, accumulation, gathering, harvest,...
2Old East Slavicсъборъ—
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 →