Lower Sorbian brjaza

← Proto-Balto-Slavic *berźas (inherited)

← Proto-Balto-Slavic *berźā (mention)

← Proto-Indo-European *bʰerHǵs (inherited)

← Proto-Indo-European *bʰerHǵeh₂ (mention)

← Proto-Slavic *berza (inherited)

→ Upper Sorbian brěza (cognate)