Where does “stum-” come from?
stum- (Proto-Balto-Slavic) comes from Proto-Indo-European stm̥-, from Proto-Indo-European stem-, from Proto-Indo-European *steh₂-.
stum- (Proto-Balto-Slavic) comes from Proto-Indo-European stm̥-, from Proto-Indo-European stem-, from Proto-Indo-European *steh₂-.