Reconstruction:Proto-Slavic/věďa

From *viděti (“to see”).

*věďa f

1. eyelid

   Synonym: *věko

2. eyebrow

   Synonym: *bry

• East Slavic:
  • Old East Slavic: вѣжа (věža)
• South Slavic:
  • Old Church Slavonic: вѣжда (věžda)
    • → Russian: ве́жда (véžda)
  • Bulgarian: вежда (vežda), вя́жда (vjážda) (dialectal)
  • Macedonian: веѓа (veǵa)
  • Serbo-Croatian: вjе̏ђа
• West Slavic: –

• Vasmer, Max (1964–1973), “вежда”, in Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), transl. and suppl. by Oleg Trubachyov, Moscow: Progress

From *věděti +‎ *-ja.

*věďa f

1. knowledge

• East Slavic:
  • Old East Slavic: вѣжа (věža)
    • Russian: ве́жа (véža)
• South Slavic:
  • Slovene: veda
• West Slavic:
  • Polish: wiedza (“knowledge”)
  • Slovak: veda (“science”)
  • Czech: věda (“science”)

• *nevěďa
  • Old East Slavic: невѣжа (nevěža)
    • Russian: неве́жа (nevéža)
  • Old Church Slavonic: невѣжда (nevěžda)
    • → Russian: неве́жда (nevéžda)
  • West Slavic:
    • Polish: niewiedza
• *věďьstvo
  • Old East Slavic: вѣжество (věžestvo)
    • Russian: вежество́ (vežestvó), ве́жство (véžstvo) (dated)
  • Old Church Slavonic: вѣждьство (věždĭstvo)

• Anikin, A. E. (2012), “ве́жа II”, in Русский этимологический словарь [Russian Etymological Dictionary] (in Russian), issue 6 (вал – вершок), Moscow: LRC, Manuscript Monuments Ancient Rus, →ISBN, page 180
• Vasmer, Max (1964–1973), “невежа”, in Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), transl. and suppl. by Oleg Trubachyov, Moscow: Progress