German Low German Boom

← German Baum (cognate)

← English beam (cognate)

← West Frisian beam (cognate)

← Proto-Germanic *baumaz (inherited)

← Middle Low German bôm (inherited)

← Proto-West Germanic *baum (inherited)

← Dutch boom (cognate)

← Old Saxon bōm (inherited)

→ English beam (cognate)

→ Lower Sorbian bom (borrowed)