Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Cappadocian Greek θίρ
Old English duru (cognate)
Old English dor (mention)
English door (cognate)
Proto-Indo-European *dʰwer- (root)
Proto-Indo-European *dʰwer- (derived)
Latin foris (cognate)
Sanskrit द्वार् (cognate)
Old Armenian դուռն (cognate)