Where does “брест” come from?
брест (Serbo-Croatian) comes from Proto-Slavic berstъ, from Proto-Balto-Slavic berˀźtas, from Proto-Indo-European bʰerHǵ-tó-s, from Proto-Indo-European bʰerHǵós — birch.
брест (Serbo-Croatian): elm
Ancestry of “брест”, step by step