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Proto-Germanic *werþaz (inherited)
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Old High German werd (cognate)
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Old Norse verðr (cognate)
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Old Norse verð (mention)
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Old Frisian werth (cognate)
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Old Saxon werth (cognate)
→
English worth (inherited)
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Old English wyrþe (mention)
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Old English wierþe (mention)
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Old English -weorþ (mention)
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Middle English worthy (derived)
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Scots worth (inherited)