Reconstruction:Proto-Indo-European/h₁régʷos

This Proto-Indo-European 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-Indo-European

Etymology

From *h₁regʷ- (“to be dark”) +‎ *-os (action or result suffix).

Noun

*h₁régʷos n

1. darkness

   Synonyms: *témHos, *(s)ḱeh₃ih₂

Inflection

Athematic, acrostatic
	singular
nominative	*h₁régʷos
genitive	*h₁régʷesos
	singular	dual	plural
nominative	*h₁régʷos	*h₁régʷesih₁	*h₁régʷōs
vocative	*h₁régʷos	*h₁régʷesih₁	*h₁régʷōs
accusative	*h₁régʷos	*h₁régʷesih₁	*h₁régʷōs
genitive	*h₁régʷesos	*?	*h₁régʷesoHom
ablative	*h₁régʷesos	*?	*h₁régʷesmos
dative	*h₁régʷesey	*?	*h₁régʷesmos
locative	*h₁régʷes, *h₁régʷesi	*?	*h₁régʷesu
instrumental	*h₁régʷesh₁	*?	*h₁régʷesmis

Derived terms

• *h₁regʷesyéti (“to get dark”)
• *h₁régʷenih₂
  • Proto-Indo-Iranian: *HráǰaniH
    • Proto-Indo-Aryan: *Hráȷ́aniH
      • Sanskrit: रजनी (rájanī)

Descendants

• Armenian:
  • Old Armenian: երեկ (erek), երէկ (erēk)
• Proto-Germanic: *rekwaz (see there for further descendants)
• Proto-Hellenic:
  • Ancient Greek: Ἔρεβος (Érebos)
• Proto-Indo-Iranian: *Hráǰas
  • Proto-Indo-Aryan: *Hráȷ́as
    • Sanskrit: रजस् (rájas)