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Old English sōþian (cognate)
←
English chose (mention)
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Middle English proven (inherited)
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Middle English sothen (cognate)
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Proto-Indo-European *bʰuH- (root)
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Proto-Indo-European *pro- (mention)
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Proto-Indo-European *per- (mention)
←
Proto-Indo-European *bʰuH- (mention)
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English proof (mention)