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Proto-Germanic *durz (derived)
←
Proto-Indo-European *dʰwer- (root)
←
Proto-Indo-European *dʰwer- (derived)
←
Old Norse dyrr (derived)
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Old Norse dyr (mention)
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Norwegian Bokmål dørvakt (compound)
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Norwegian Bokmål bakdør (affix)
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Norwegian Bokmål bildør (affix)
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Norwegian Bokmål dørslå (affix)