←
Proto-Indo-European *wóyde (derived)
←
Proto-Indo-European *weyd- (mention)
←
Proto-Slavic *věďa (mention)
→
Bulgarian вям (inherited)
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Old Church Slavonic невѣста (prefix)
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Old Church Slavonic вѣдь (link)
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Old Church Slavonic съвѣсть (affix)
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Russian весть (borrowed)