Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English duru
Proto-Germanic *durz (inherited)
Proto-Indo-European *dʰwer- (root)
Proto-Indo-European *dʰwer- (derived)

English door (inherited)
English Dorward (derived)
Old English dor (cognate)
Old English eagduru (compound)
Cappadocian Greek θίρ (cognate)
Middle English dore (inherited)
Gothic 𐌳𐌰𐌿𐍂 (mention)
Ancient Greek θύρα (cognate)
Latin foris (cognate)
Old Persian 𐎯𐎺𐎼𐎹𐎠 (cognate)
Sanskrit द्वार् (cognate)
Sanskrit दुर् (cognate)
Scots door (inherited)
Old Irish dorus (cognate)
Tocharian B twere (cognate)
Yola dher (inherited)