Czech špaček

← Belarusian шпак (cognate)

← Czech -ek (affix)

← German Spatz (derived)

← Proto-Germanic *sparwô (derived)

← Old High German sparo (derived)

← Polish szpak (cognate)

← Russian шпак (cognate)

← Ukrainian шпак (cognate)

→ Polish szpak (cognate)