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 edit

Etymology edit

From Proto-Indo-European *oḱtṓw.

Numeral edit

Proto-Celtic cardinal numbers
 <  7 8 9  > 
    Cardinal : *oxtū
    Ordinal : *oxtūmetos


  1. eight

Descendants edit

  • Proto-Brythonic: *üiθ
    • Old Breton: eith
    • Cornish: eth
    • Old Welsh: oith
  • Old Irish: ocht
  • Gaulish: oxtu