Proto-Brythonic · reconstructed language
*seiθ
/sɛi̯θ/ · num
Meaning
- seven
Etymology / origin
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-.
- *septḿ̥(ine-pro)→
- *sextam(cel-pro)→
- seiθ (Proto-Brythonic)
- Relations: inh, inh
Related words
Sources
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