Polish brzoza

← English birch (mention)

← Proto-Balto-Slavic *berźas (inherited)

← Proto-Balto-Slavic *berźā (mention)

← Proto-Indo-European *bʰerHǵós (derived)

← Proto-Indo-European *bʰerHǵeh₂ (mention)

← Proto-Slavic *berza (inherited)

→ Upper Sorbian brěza (cognate)

→ Latvian bērzs (cognate)

→ Polish brzozowy (suffix)

→ Polish Brzozowska (suffix)

→ Polish Brzoza (mention)

→ Polish Brzozów (affix)