Reconstruction:Proto-Indo-European/-ós

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

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    Etymology 1

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    Suffix

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    *-ós

    1. Forms possessive adjectives from nouns.
      *wétos (year) + ‎*-ós → ‎*wetsós (of a year)
    Usage notes
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    • The root vowel is usually identical to that of the base noun, but sometimes the root vowel is zero-graded.
    • The suffix vowel on the other hand is usually deleted when the possessive suffix is attached.
    • Very commonly stacked on top of neuter *-es- stem nouns.
    • Examples of non-*-es-stem possessive thematic adjectives across Indo-European include:
    Inflection
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    Thematic
    masculine feminine
    nominative *-ós *-éh₂
    genitive *-ósyo *-éh₂s
    masculine singular dual plural
    nominative *-ós *-óh₁ *-óes
    vocative *-é *-óh₁ *-óes
    accusative *-óm *-óh₁ *-óms
    genitive *-ósyo *? *-óHom
    ablative *-éad *? *-ómos, *-óbʰos
    dative *-óey *? *-ómos, *-óbʰos
    locative *-éy, *-óy *? *-óysu
    instrumental *-óh₁ *? *-ṓys
    feminine singular dual plural
    nominative *-éh₂ *-éh₂h₁(e) *-éh₂es
    vocative *-éh₂ *-éh₂h₁(e) *-éh₂es
    accusative *-ā́m *-éh₂h₁(e) *-éh₂m̥s
    genitive *-éh₂s *? *-éh₂oHom
    ablative *-éh₂s *? *-éh₂mos, *-éh₂bʰos
    dative *-éh₂ey *? *-éh₂mos, *-éh₂bʰos
    locative *-éh₂, *-éh₂i *? *-éh₂su
    instrumental *-éh₂h₁ *? *-éh₂mis, *-éh₂bʰis
    neuter singular dual plural
    nominative *-óm *-óy(h₁) *-éh₂
    vocative *-óm *-óy(h₁) *-éh₂
    accusative *-óm *-óy(h₁) *-éh₂
    genitive *-ósyo *? *-óHom
    ablative *-éad *? *-ómos, *-óbʰos
    dative *-óey *? *-ómos, *-óbʰos
    locative *-éy, *-óy *? *-óysu
    instrumental *-óh₁ *? *-ṓys
    Derived terms
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    Descendants
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    • Proto-Hellenic: *-ós
      • Ancient Greek: -ός (-ós)

    Etymology 2

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    From *(ó)-os (action noun suffix) formations further suffixed with possessive *-ós (see Etymology 1).

    Suffix

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    *(o)-ós m

    1. Creates adjectives from verb stems; they may have agentive or patientive meaning.
      1. Creates agent nouns from verb stems, denoting someone or something that performs that verb's action.
      2. Creates patient nouns from verb stems, denoting something affected by the verb's action.
    Inflection
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    As an adjectival suffix:

    Thematic
    masculine feminine
    nominative *(o)-ós *(o)-éh₂
    genitive *(o)-ósyo *(o)-éh₂s
    masculine singular dual plural
    nominative *(o)-ós *(o)-óh₁ *(o)-óes
    vocative *(o)-é *(o)-óh₁ *(o)-óes
    accusative *(o)-óm *(o)-óh₁ *(o)-óms
    genitive *(o)-ósyo *? *(o)-óHom
    ablative *(o)-éad *? *(o)-ómos, *(o)-óbʰos
    dative *(o)-óey *? *(o)-ómos, *(o)-óbʰos
    locative *(o)-éy, *(o)-óy *? *(o)-óysu
    instrumental *(o)-óh₁ *? *(o)-ṓys
    feminine singular dual plural
    nominative *(o)-éh₂ *(o)-éh₂h₁(e) *(o)-éh₂es
    vocative *(o)-éh₂ *(o)-éh₂h₁(e) *(o)-éh₂es
    accusative *(o)-ā́m *(o)-éh₂h₁(e) *(o)-éh₂m̥s
    genitive *(o)-éh₂s *? *(o)-éh₂oHom
    ablative *(o)-éh₂s *? *(o)-éh₂mos, *(o)-éh₂bʰos
    dative *(o)-éh₂ey *? *(o)-éh₂mos, *(o)-éh₂bʰos
    locative *(o)-éh₂, *(o)-éh₂i *? *(o)-éh₂su
    instrumental *(o)-éh₂h₁ *? *(o)-éh₂mis, *(o)-éh₂bʰis
    neuter singular dual plural
    nominative *(o)-óm *(o)-óy(h₁) *(o)-éh₂
    vocative *(o)-óm *(o)-óy(h₁) *(o)-éh₂
    accusative *(o)-óm *(o)-óy(h₁) *(o)-éh₂
    genitive *(o)-ósyo *? *(o)-óHom
    ablative *(o)-éad *? *(o)-ómos, *(o)-óbʰos
    dative *(o)-óey *? *(o)-ómos, *(o)-óbʰos
    locative *(o)-éy, *(o)-óy *? *(o)-óysu
    instrumental *(o)-óh₁ *? *(o)-ṓys

    As a noun-forming suffix:

    Thematic
    singular
    nominative *(o)-ós
    genitive *(o)-ósyo
    singular dual plural
    nominative *(o)-ós *(o)-óh₁ *(o)-óes
    vocative *(o)-é *(o)-óh₁ *(o)-óes
    accusative *(o)-óm *(o)-óh₁ *(o)-óms
    genitive *(o)-ósyo *? *(o)-óHom
    ablative *(o)-éad *? *(o)-ómos, *(o)-óbʰos
    dative *(o)-óey *? *(o)-ómos, *(o)-óbʰos
    locative *(o)-éy, *(o)-óy *? *(o)-óysu
    instrumental *(o)-óh₁ *? *(o)-ṓys
    Reconstruction notes
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    • See Nussbaum (2017)[1] for a detailed account.
    • Agentive nominals of this type are often compared to Ancient Greek τομός (tomós, cutting) in the literature. Patientive nominals of this type, on the other hand, include Ancient Greek φορός (phorós).
    Derived terms
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    Descendants
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    • Proto-Celtic: *-y-os (agent noun suffix)
    • Proto-Germanic: *-az; some of the a-stem nouns
    • Proto-Hellenic: *-ós
      • Ancient Greek: -ός (-ós)
    • Proto-Indo-Iranian: *-ás
      • Indo-Aryan:
        • Sanskrit: -अ (, agent/adjective suffix)

    Etymology 3

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    Closely resembles, but is not identical to, the root o-grade counterpart *(o)-ós. Both formations can be found side-by-side for several roots. Nussbaum posits that both of these adjective formations are derivatives of *(ó)-os formations.[2]

    Villanueva Svenson, who proposes that e-grade thematic verbs originated as conversions of λευκός (leukós) adjectives to verbs, wonders if these e-grade adjectives were originally barytone, but later became oxytone under the influence of *(o)-ós.[3]

    Suffix

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    *(e)-ós

    1. Forms adjectives from verbal roots.
      *lewk- (to shine) + ‎*-ós → ‎*lewkós (bright, shining)
    Usage notes
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    These adjectives are known as λευκός (leukós) adjectives in the literature. They lost productivity in every branch other than Germanic, but most Indo-European branches do have relics of this formation.

    Inflection
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    Thematic
    masculine feminine
    nominative *(e)-ós *(e)-éh₂
    genitive *(e)-ósyo *(e)-éh₂s
    masculine singular dual plural
    nominative *(e)-ós *(e)-óh₁ *(e)-óes
    vocative *(e)-é *(e)-óh₁ *(e)-óes
    accusative *(e)-óm *(e)-óh₁ *(e)-óms
    genitive *(e)-ósyo *? *(e)-óHom
    ablative *(e)-éad *? *(e)-ómos, *(e)-óbʰos
    dative *(e)-óey *? *(e)-ómos, *(e)-óbʰos
    locative *(e)-éy, *(e)-óy *? *(e)-óysu
    instrumental *(e)-óh₁ *? *(e)-ṓys
    feminine singular dual plural
    nominative *(e)-éh₂ *(e)-éh₂h₁(e) *(e)-éh₂es
    vocative *(e)-éh₂ *(e)-éh₂h₁(e) *(e)-éh₂es
    accusative *(e)-ā́m *(e)-éh₂h₁(e) *(e)-éh₂m̥s
    genitive *(e)-éh₂s *? *(e)-éh₂oHom
    ablative *(e)-éh₂s *? *(e)-éh₂mos, *(e)-éh₂bʰos
    dative *(e)-éh₂ey *? *(e)-éh₂mos, *(e)-éh₂bʰos
    locative *(e)-éh₂, *(e)-éh₂i *? *(e)-éh₂su
    instrumental *(e)-éh₂h₁ *? *(e)-éh₂mis, *(e)-éh₂bʰis
    neuter singular dual plural
    nominative *(e)-óm *(e)-óy(h₁) *(e)-éh₂
    vocative *(e)-óm *(e)-óy(h₁) *(e)-éh₂
    accusative *(e)-óm *(e)-óy(h₁) *(e)-éh₂
    genitive *(e)-ósyo *? *(e)-óHom
    ablative *(e)-éad *? *(e)-ómos, *(e)-óbʰos
    dative *(e)-óey *? *(e)-ómos, *(e)-óbʰos
    locative *(e)-éy, *(e)-óy *? *(e)-óysu
    instrumental *(e)-óh₁ *? *(e)-ṓys
    Derived terms
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    Descendants
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    • Proto-Germanic: *-az (deverbal adjective suffix)

    Etymology 4

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    Suffix

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    *(e)-ós

    1. Forms adjectives or nominals of appurtenance to bases.
      *dyew- (sky) + ‎*-ós → ‎*deywós ((god) of the sky)
    Usage notes
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    These nominals are known as vṛddhi in Indo-Europeanist literature. The *e that the base incorporates in such formations is not necessarily the e-grade of the root; the *e is instead located after the first consonant of the root, no matter the root shape.

    Inflection
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    Thematic
    singular
    nominative *(e)-ós
    genitive *(e)-ósyo
    singular dual plural
    nominative *(e)-ós *(e)-óh₁ *(e)-óes
    vocative *(e)-é *(e)-óh₁ *(e)-óes
    accusative *(e)-óm *(e)-óh₁ *(e)-óms
    genitive *(e)-ósyo *? *(e)-óHom
    ablative *(e)-éad *? *(e)-ómos, *(e)-óbʰos
    dative *(e)-óey *? *(e)-ómos, *(e)-óbʰos
    locative *(e)-éy, *(e)-óy *? *(e)-óysu
    instrumental *(e)-óh₁ *? *(e)-ṓys
    Derived terms
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    See Category:Proto-Indo-European vrddhi derivatives for derived terms.

    References

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    1. ^ Nussbaum, Alan (2017) “Agentive and Other Derivatives of “τόμος-Type” Nouns”, in Claire Le Feure, Daniel Petit and Georges-Jean Pinault, editors, Adjectifs verbaux et participes dans les langues indoeuropéennes. Proceedings of the Arbeitstagung of the Indo-European Society, Paris, 24–26 September 2014, Bremen: Hempen, pages 232–266
    2. ^ Nussbaum, Alan (2017) “Agentive and Other Derivatives of “τόμος-Type” Nouns”, in Claire Le Feuvre, Daniel Petit and Georges-Jean Pinault, editors, Verbal Adjectives and Participles in Indo-European Languages. Proceedings of the Arbeitstagung of the Indo-European Society, Paris, 24–26 September 2014, Bremen: Hempen, page 252
    3. ^ Villanueva Svensson, Miguel (2021) “The origin of the Indo-European simple thematic presents: The nominal connection”, in Indo-European Linguistics, volume 9, number 1, →DOI, →ISSN, pages 264–292