Polish źródło

← Ancient Greek ζέρεθρον (cognate)

← Proto-Balto-Slavic *gerʔtló (inherited)

← Proto-Indo-European *gʷerh₃-tlóm (inherited)

← Proto-Indo-European *gʷerh₃- (mention)

← Latin vorō (cognate)

← Lithuanian gerklė̃ (cognate)

← Lithuanian gérklę (cognate)

← Proto-Slavic *žerdlo (inherited)

→ Belarusian жарало (cognate)

→ Lithuanian gerklė (cognate)

→ Polish źródłosłów (compound)

→ Polish żreć (link)

→ Polish źródlany (affix)

→ Polish źródełko (affix)

→ Polish źródłowy (affix)