Polish zwierciadło

← Czech zrcadlo (cognate)

← Old Church Slavonic зрьцало (cognate)

← Russian зерца́ло (cognate)

← Serbo-Croatian zrcalo (cognate)

← Serbo-Croatian зрцало (mention)

← Proto-Slavic *zьrcadlo (inherited)

→ Russian зерцало (cognate)