Reconstruction:Proto-Celtic/magos

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 Proto-Indo-European *meǵh₂- (“great”) with a semantic shift from "great one" > "soil; plain".[1] See Sanskrit मही (mahī́, “earth”) for a similar semantic development.

Noun

*magos n[1]

plain, field

Inflection

Neuter s-stem
	singular	dual	plural
nominative	*magos	*magese?	*magesa
vocative	*magos	*magese?	*magesa
accusative	*magos	*magese?	*magesa
genitive	*magesos	*magesous?	*magesom
dative	*magesē	*magesbom	*magesbos
locative	*magesi	*?	*?
instrumental	*magesē	*magesbim	*magesbis

Descendants

Proto-Brythonic:
- Old Breton: -ma
  - Breton: ma, maez
- Cornish: -ma, mes
- Old Welsh: maessid pl
  - Middle Welsh: -ma, maes
    - Welsh: -fa, maes
Gaulish: *magos
Old Irish: mag
- Irish: má
- Scottish Gaelic: magh

References

Matasović, Ranko (2009), “*magos-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 253

[Matasovic-1] Matasović, Ranko (2009), “*magos-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 253