Reconstruction:Proto-Celtic/reidis

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

Generally held by Celticists as related to *reideti (“to ride”) and also related to Proto-Germanic *raidaz (“ready”).^[1]

Adjective

*reidis^[1]

Inflection

I-stem
masculine	singular	dual	plural
nominative	*reidis	*reidī	*reidīs
vocative	*reidi	*reidī	*reidīs
accusative	*reidim	*reidī	*reidims
genitive	*reideis	*reidyou	*reidyom
dative	*reidei	*reidibom	*reidibos
instrumental	*reidī	*reidibim	*reidibis
feminine	singular	dual	plural
nominative	*reidis	*reidī	*reidīs
vocative	*reidi	*reidī	*reidīs
accusative	*reidim	*reidī	*reidims
genitive	*reideis	*reidyou	*reidyom
dative	*reidei	*reidibom	*reidibos
instrumental	*reidī	*reidibim	*reidibis
neuter	singular	dual	plural
nominative	*reidi	*reidī	*reidyā
vocative	*reidi	*reidī	*reidyā
accusative	*reidi	*reidī	*reidyā
genitive	*reidois	*reidois	*reidyom
dative	*reidē	*reidibom	*reidibos
instrumental	*reidī	*reidibim	*reidibis

Derived terms

*ekʷo-reidis
- Proto-Brythonic: *ebruɨð
  - Middle Welsh: ebrwyd, ebruit
    - Welsh: ebrwydd (“quick, swift”)
- ⇒ Gaulish: *Eporēdirīx
  - → Latin: Eporēdirīx

Descendants

Proto-Brythonic: *rruɨð
- Old Breton: ruet
  - Middle Breton: rouez
    - Breton: rouez (“rare, sparse, transparent”)
- Old Welsh: ruid (“empty, vacant”)
  - Welsh: rhwydd
Old Irish: réid
- Middle Irish: réid
  - Irish: réidh
  - Scottish Gaelic: rèidh
  - Manx: rea

References

↑ ^1.0 ^1.1 Matasović, Ranko (2009) “*rēdi-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, pages 306-307

[EDPC-1] 1.0 ^1.1 Matasović, Ranko (2009) “*rēdi-”, in Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, pages 306-307

[1]

Reconstruction:Proto-Celtic/reidis

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