Where does “рубежь” come from?

рубежь (Old Church Slavonic) comes from Proto-Slavic rǫbežь, from Proto-Slavic rǫbiti, from Proto-Balto-Slavic ramˀb-.

Ancestry of “рубежь”, step by step

StepLanguageWordMeaning
1Proto-Slavicrǫbežьborder
2Proto-Slavicrǫbitito chop; to hem
3Proto-Balto-Slavicramˀb-—

Words derived from “рубежь”

Every word from Proto-Balto-Slavic ramˀb- →Every word from Proto-Slavic rǫbiti →Every word from Proto-Slavic rǫbežь →