Reconstruction:Proto-Brythonic/seiθ

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

Etymology

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

• IPA^(key): /sɛi̯θ/

Numeral

Proto-Brythonic cardinal numbers

<  6	7	8  >
Cardinal : *seiθ     Ordinal : *seɨθβ̃ed

*seiθ

1. seven

Descendants

• Old Breton: seith
  • Middle Breton: seiz
    • Breton: seizh
• Old Cornish: syth
  • Middle Cornish: seyth
    • Cornish: seyth
• Middle Welsh: seith
  • Welsh: saith