< Reconstruction:Proto-Indo-European

Reconstruction:Proto-Indo-European/-os

This Proto-Indo-European entry contains reconstructed words 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

Suffix

*(é)-os n

  1. Creates action nouns or result nouns from verbs.

Inflection
Athematic, acrostatic
singular
nominative *(é)-os
genitive *(é)-esos
singular dual plural
nominative *(é)-os *(é)-esih₁ *(é)-ōs
vocative *(é)-os *(é)-esih₁ *(é)-ōs
accusative *(é)-os *(é)-esih₁ *(é)-ōs
genitive *(é)-esos *? *(é)-esoHom
ablative *(é)-esos *? *(é)-esmos
dative *(é)-esey *? *(é)-esmos
locative *(é)-es, *(é)-esi *? *(é)-esu
instrumental *(é)-esh₁ *? *(é)-esbʰi

Derived terms
► <a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:Proto-Indo-European_words_suffixed_with_*-os_(athematic)' title='Category:Proto-Indo-European words suffixed with *-os (athematic)'>Proto-Indo-European words suffixed with *-os (athematic)</a>

Descendants
  • Proto-Germanic: the z-stem nouns
  • Hellenic: [Term?]
    • Ancient Greek: -ος (-os)
  • Hellenic: *-ehen (< other locative form)
  • Italic: *-ezi (< locative)

Suffix

*(ó)-os m

  1. Creates nouns from verb stems denoting the performance or action of that verb.

Inflection
Thematic
singular
nominative *(ó)-os
genitive *(ó)-osyo
singular dual plural
nominative *(ó)-os *(ó)-oh₁ *(ó)-oes
vocative *(ó)-e *(ó)-oh₁ *(ó)-oes
accusative *(ó)-om *(ó)-oh₁ *(ó)-oms
genitive *(ó)-osyo *? *(ó)-ooHom
ablative *(ó)-ead *? *(ó)-omos
dative *(ó)-oey *? *(ó)-omos
locative *(ó)-ey, *(ó)-oy *? *(ó)-oysu
instrumental *(ó)-oh₁ *? *(ó)-ōys

Derived terms
► <a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:Proto-Indo-European_words_suffixed_with_*-os_(thematic)' title='Category:Proto-Indo-European words suffixed with *-os (thematic)'>Proto-Indo-European words suffixed with *-os (thematic)</a>

Descendants
  • Anatolian:
    • Hittite: a-stem nouns
  • Balto-Slavic: o-stem nouns
  • Germanic: a-stem nouns
  • Hellenic: o-stem nouns
  • Indo-Iranian: a-stem nouns
  • Italic: o-stem nouns
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