< Reconstruction:Proto-Celtic

Reconstruction:Proto-Celtic/aiwestom

This Proto-Celtic entry contains reconstructed words 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-Celtic

Alternative reconstructions
  • *aissom, *aitom[1]

Etymology

From Proto-Indo-European *h₂ey-w-es-to-, from *h₂ey- (“age, eternity”).

Noun

*aiwestom n

  1. age
  2. lifetime
  3. era

Inflection
Neuter o-stem
singular dual plural
nominative *aywestom *aywestou *aywestā
vocative *aywestom *aywestou *aywestā
accusative *aywestom *aywestou *aywestā
genitive *aywestī *aywestous *aywestom
dative *aywestūi *aywestobom *aywestobos
instrumental *aywestū *aywestobim *aywestobis

Descendants
  • Brythonic: *oɨs
    • Old Cornish: huis
      • Cornish: oos, oys
    • Old Welsh: ois f (“age”)
      • Welsh: oes (“age”)
  • Brythonic: *oɨd
    • Old Breton: oit
      • Middle Breton: oet
    • Cornish: ooj
    • Old Welsh: oit f or m (“time, period”)
  • Old Irish: áes

References
  1. Matasović, Ranko (2009), “*ay-sso-, *ay-to-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 51
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