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English torus (mention)
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Middle English tor (inherited)
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Middle English tore (mention)
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Middle English toor (mention)
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Proto-Germanic *tuz- (derived)
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Old High German zur- (cognate)
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Ancient Greek δυσ- (cognate)
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Proto-Indo-European *dus- (derived)
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Proto-Indo-European *dēwǝ- (derived)
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Old Norse tor- (derived)
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Ancient Greek δυσ- (cognate)
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Icelandic tor- (cognate)