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Old Irish fíad
Proto-Celtic *wēdus (inherited)
Proto-Celtic (inherited)
Proto-Celtic *wēdos (mention)
Proto-Indo-European *[[h₁weydʰh₁-]]u-s (inherited)
Proto-Indo-European *weyd- (root)
Proto-Indo-European *weyd- (derived)
Old Irish ag (link)
Old Irish oss (link)
Old Irish séd (link)
Old Irish sideng (link)
Old Irish selg (link)
Old Irish díthrub (link)
Old Irish fásach (link)
Old Irish agad (link)
Old Irish airmitiu (link)
Old Irish cádus (link)
Old Irish cattú (link)
Old Irish enech (link)
Old Irish míad (link)
Old Irish míadamlae (link)
Old Irish onóir (link)
Old Irish ordan (link)
Old Irish airmitiu (link)

Welsh gŵydd (cognate)
Irish fia (inherited)
Irish fia (inherited)
Irish fiáin (derived)
Scottish Gaelic fiadh (inherited)
Scottish Gaelic fiadhaich (mention)
Scottish Gaelic fiadh- (derived)
Manx feeaih (inherited)
Russian вид (cognate)
Russian видение (cognate)
Old Irish agad (link)
Old Irish fíadach (suffix)
Old Irish indidit (mention)