Reconstruction:Proto-Celtic/toybos

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

Possibly from an o-grade derivative of Proto-Indo-European *(s)teygʷ- (“flank, side”). Compare Old Armenian թեկն (tʿekn, “shoulder, scapula, back”) and Proto-Slavic *stegno (“thigh, flank”).

Noun

*toybos m

side

Declension

Masculine o-stem
	singular	dual	plural
nominative	*toybos	*toybou	*toyboi
vocative	*toybe	*toybou	*toybūs
accusative	*toybom	*toybou	*toyboms
genitive	*toybī	*toybous	*toybom
dative	*toybūi	*toybobom	*toybobos
locative	*toybei	*?	*?
instrumental	*toybū	*toybobim	*toybūis

Derived terms

Brythonic:
- Breton: tu
- Cornish: tu
- Welsh: tu
Goidelic:
- Old Irish: táeb m or f, tóib
  - Irish: taobh m or f
  - Manx: çheu f
  - Scottish Gaelic: taobh m

References

Matasović, Ranko (2009) Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 387
Mallory, J. P.; Adams, D. Q. (2006) The Oxford introduction to Proto-Indo-European and the Proto-Indo-European world, Oxford University Press, page 182: “*teigʷ- ‘± side’”