←
Proto-Germanic *durz (inherited)
←
Proto-Indo-European *dʰwer- (root)
←
Proto-Indo-European *dʰwer- (derived)
→
English door (inherited)
→
Old English dor (cognate)
→
Cappadocian Greek θίρ (cognate)
→
Middle English dore (inherited)
→
Ancient Greek θύρα (cognate)
→
Old Persian 𐎯𐎺𐎼𐎹𐎠 (cognate)
→
Sanskrit दुर् (cognate)
→
Old Irish dorus (cognate)
→
Tocharian B twere (cognate)