Polabian jostrǻi

← Kashubian Jastrë (mention)

← Lower Sorbian jatšy (mention)

← Proto-Germanic *Austrǭ (derived)

← Upper Sorbian jutry (mention)

← Polish jutro (mention)

← Polish jutrznia (mention)

→ Kashubian Jastrë (cognate)

→ Kashubian Jastra (cognate)

→ Lower Sorbian jatšy (cognate)

→ Upper Sorbian jutry (cognate)