Polish jezioro

← Proto-Balto-Slavic *eźera- (mention)

← Proto-Slavic *ezero (inherited)

→ Lower Sorbian jazor (cognate)

→ Lower Sorbian jazoro (cognate)

→ Latvian ezers (cognate)

→ Polish pojezierze (affix)

→ Polish Jezierny (mention)

→ Polish jezierza (mention)

→ Polish jeziorowiec (affix)

→ Polish jeziorko (affix)

→ Polish jeziorzysko (affix)

→ Polish jeziorny (affix)