Polish dziupla

← Old Church Slavonic дъбрь (cognate)

← Welsh dwfn (cognate)

← Proto-Indo-European *dʰewbʰ- (derived)

← Lithuanian dubùs (cognate)

← Proto-Slavic *dupľa (inherited)

← Proto-Slavic *duplo (mention)

← Proto-Slavic *dupa (mention)

← Albanian det (cognate)