Reconstruction:Proto-Indo-European/lewkós

This Proto-Indo-European entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Indo-European

Etymology

    From *lewk- (to shine) +‎ *-ós (e-grade adjective suffix).

    Adjective

    *lewkós

    1. bright, shining

    Inflection

    Thematic
    masculine feminine
    nominative *lewkós *lewkéh₂
    genitive *lewkósyo *lewkéh₂s
    masculine singular dual plural
    nominative *lewkós *lewkóh₁ *lewkóes
    vocative *lewké *lewkóh₁ *lewkóes
    accusative *lewkóm *lewkóh₁ *lewkóms
    genitive *lewkósyo *? *lewkóHom
    ablative *lewkéad *? *lewkómos, *lewkóbʰos
    dative *lewkóey *? *lewkómos, *lewkóbʰos
    locative *lewkéy, *lewkóy *? *lewkóysu
    instrumental *lewkóh₁ *? *lewkṓys
    feminine singular dual plural
    nominative *lewkéh₂ *lewkéh₂h₁(e) *lewkéh₂es
    vocative *lewkéh₂ *lewkéh₂h₁(e) *lewkéh₂es
    accusative *lewkā́m *lewkéh₂h₁(e) *lewkéh₂m̥s
    genitive *lewkéh₂s *? *lewkéh₂oHom
    ablative *lewkéh₂s *? *lewkéh₂mos, *lewkéh₂bʰos
    dative *lewkéh₂ey *? *lewkéh₂mos, *lewkéh₂bʰos
    locative *lewkéh₂, *lewkéh₂i *? *lewkéh₂su
    instrumental *lewkéh₂h₁ *? *lewkéh₂mis, *lewkéh₂bʰis
    neuter singular dual plural
    nominative *lewkóm *lewkóy(h₁) *lewkéh₂
    vocative *lewkóm *lewkóy(h₁) *lewkéh₂
    accusative *lewkóm *lewkóy(h₁) *lewkéh₂
    genitive *lewkósyo *? *lewkóHom
    ablative *lewkéad *? *lewkómos, *lewkóbʰos
    dative *lewkóey *? *lewkómos, *lewkóbʰos
    locative *lewkéy, *lewkóy *? *lewkóysu
    instrumental *lewkóh₁ *? *lewkṓys

    Descendants

    • Proto-Armenian:
    • Proto-Celtic: *loukos (white) (see there for further descendants)
    • Proto-Hellenic: *leukós (see there for further descendants)
    • Proto-Indo-Iranian: *rawkás
      • Proto-Indo-Aryan: *rawkás
      • Proto-Iranian: *rawkáh
        • Northern Kurdish: rok (day; light; sun)