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”).

Adjective

*reidis

1. easy
2. smooth
3. simple

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