Reconstruction:Proto-Brythonic/seiθ

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This Proto-Brythonic 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-Brythonic

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Etymology

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From Proto-Celtic *sextam, from Proto-Indo-European *septḿ̥. Alongside *seɨθβ̃ed (ordinal) and *sux, these words were the only known native words failing to debuccalize initial *s-.

Pronunciation

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Numeral

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Proto-Brythonic cardinal numbers
 <  6 7 8  > 
    Cardinal : *seiθ
    Ordinal : *seɨθβ̃ed

*seiθ

  1. seven

Descendants

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  • Old Breton: seith
  • Old Cornish: syth
  • Middle Welsh: seith