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Old English þȳmel (inherited)
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Old English þūma (inherited)
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Old English -el (mention)
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Middle English thimel (mention)
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Proto-Germanic *þūmô (mention)
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Proto-Germanic *-ilaz (mention)
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Proto-Indo-European *tewh₂- (root)
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Proto-Indo-European *tewh₂- (derived)
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German Low German Dümelke (cognate)