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Middle Dutch ore (inherited)
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Middle Dutch over (inherited)
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Proto-Germanic *ausô (inherited)
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Proto-Germanic *uber (inherited)
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Proto-Indo-European *h₂ows- (inherited)
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Proto-Indo-European *upér (inherited)
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Proto-Indo-European *upo (mention)
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Old Dutch ōra (inherited)
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Old Dutch *ovar (inherited)