Reconstruction:Proto-Celtic/kaikos

This Proto-Celtic 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-Celtic

Etymology

From Proto-Indo-European *kéh₂ikos (“one-eyed, blind”).

Adjective

*kaikos

1. one-eyed, blind

Declension

O/ā-stem
masculine	singular	dual	plural
nominative	*kaykos	*kaykou	*kaykoi
vocative	*kayke	*kaykou	*kaykoi
accusative	*kaykom	*kaykou	*kaykoms
genitive	*kaykī	*kaykous	*kaykom
dative	*kaykūi	*kaykobom	*kaykobos
instrumental	*kaykū	*kaykobim	*kaykobis
feminine	singular	dual	plural
nominative	*kaykā	*kaykai	*kaykās
vocative	*kaykā	*kaykai	*kaykās
accusative	*kaykam	*kaykai	*kaykams
genitive	*kaykās	*kaykous	*kaykom
dative	*kaykai	*kaykābom	*kaykābos
instrumental	*?	*kaykābim	*kaykābis
neuter	singular	dual	plural
nominative	*kaykom	*kaykou	*kaykā
vocative	*kaykom	*kaykou	*kaykā
accusative	*kaykom	*kaykou	*kaykā
genitive	*kaykī	*kaykous	*kaykom
dative	*kaykūi	*kaykobom	*kaykobos
instrumental	*kaykū	*kaykobim	*kaykobis

Declension of the comparative
masculine	singular	dual	plural
nominative	*kaykyūs	*?	*kaykyoses
vocative	*kaykyūs	*?	*kaykyoses
accusative	*kaykyosam	*?	*kaykyosams
genitive	*kaykisos	*?	*kaykisom
dative	*kaykisei	*?	*kaykisbos
instrumental	*kaykisī	*?	*kaykisbis
feminine	singular	dual	plural
nominative	*kaykyūs	*?	*kaykyoses
vocative	*kaykyūs	*?	*kaykyoses
accusative	*kaykyosam	*?	*kaykyosams
genitive	*kaykisos	*?	*kaykisom
dative	*kaykisei	*?	*kaykisbos
instrumental	*kaykisī	*?	*kaykisbis
neuter	singular	dual	plural
nominative	*kaykis	*?	*?
vocative	*kaykis	*?	*?
accusative	*kaykis	*?	*?
genitive	*kaykisos	*?	*kaykisom
dative	*kaykisei	*?	*kaykisbos
instrumental	*kaykisī	*?	*kaykisbis

Descendants

• Proto-Brythonic: *koɨg
  • Old Cornish: cuic
    • Cornish: koeg
  • Middle Welsh: coeg
    • Welsh: coeg
• Old Irish: cáech
  • Irish: caoch
  • Manx: kyagh
  • Scottish Gaelic: caoch