←
Proto-Germanic *durz (derived)
←
Old High German turi (inherited)
←
Proto-Indo-European *dʰwer- (root)
←
Proto-Indo-European *dʰwer- (derived)
→
Old English dor (cognate)
→
Northern Kurdish derî (cognate)
→
Ossetian дуар (cognate)
→
Old Saxon dor (cognate)