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Old English heorte (cognate)
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Old Church Slavonic срьдьцє (cognate)
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English heart (cognate)
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Proto-Germanic *hertô (cognate)
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Ancient Greek καρδία (cognate)
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Proto-Indo-European *ḱr̥d- (mention)
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Proto-Indo-European *ḱerd- (mention)
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Old Prussian seyr (cognate)
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Sanskrit हृद् (cognate)
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Latgalian sirds (cognate)