Reconstruction:Proto-Celtic/dyīus

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

From Proto-Indo-European *dyḗws.

Noun

*dyīus m

1. day

Inflection

Consonant stem, irregular
	singular	dual	plural
nominative	*dyīus	*?	*dyowes
vocative	*dyīus	*?	*dyowes
accusative	*dyīm	*?	*dyowams
genitive	*diwos	*?	*diwom
dative	*diwei	*?	*?
locative	*dyou	*?	*?
instrumental	*?	*?	*?

Derived terms

• *sindū diyū

Descendants

• Proto-Brythonic: *dɨð
  • Breton: deiz
  • Cornish: dydh
  • Old Welsh: did
    • Middle Welsh: dyð
      • Welsh: dydd
• Old Irish: día
  • Irish: dia
  • Manx: jee
  • Scottish Gaelic: dia