< Reconstruction:Proto-Indo-European

Reconstruction:Proto-Indo-European/-yōs

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

For **-yoss (stem + nominative *-s). It was directly added to the e-grade root (if there was one) rather than to the stem of the adjective.

Suffix

*-(é)-yōs

  1. Forms adjectives from roots, meaning "very" or "rather".

Declension
Athematic, amphikinetic
masculine feminine
nominative *-(é)-yōs *-(∅)-yésih₂
genitive *-(∅)-isés *-(∅)-isyéh₂s
masculine singular dual plural
nominative *-(é)-yōs *-(é)-yosh₁(e) *-(é)-yoses
vocative *-(é)-yos *-(é)-yosh₁(e) *-(é)-yoses
accusative *-(é)-yosm̥ *-(é)-yosh₁(e) *-(é)-yosm̥s
genitive *-(∅)-isés *? *-(∅)-isóHom
ablative *-(∅)-isés *? *-(∅)-ismós
dative *-(∅)-iséy *? *-(∅)-ismós
locative *-(∅)-yés, *-(∅)-yési *? *-(∅)-isú
instrumental *-(∅)-iséh₁ *? *-(∅)-ismís
feminine singular dual plural
nominative *-(∅)-yésih₂ *-(∅)-yésih₂h₁(e) *-(∅)-yésih₂es
vocative *-(∅)-yésih₂ *-(∅)-yésih₂h₁(e) *-(∅)-yésih₂es
accusative *-(∅)-yésih₂m̥ *-(∅)-yésih₂h₁(e) *-(∅)-yésih₂m̥s
genitive *-(∅)-isyéh₂s *? *-(∅)-isyéh₂oHom
ablative *-(∅)-isyéh₂s *? *-(∅)-isyéh₂mos
dative *-(∅)-isyéh₂ey *? *-(∅)-isyéh₂mos
locative *-(∅)-isyéh₂, *-(∅)-isyéh₂i *? *-(∅)-isyéh₂su
instrumental *-(∅)-isyéh₂h₁ *? *-(∅)-isyéh₂mis
neuter singular dual plural
nominative *-(é)-yos *-(é)-yosih₁ *-(é)-yōs
vocative *-(é)-yos *-(é)-yosih₁ *-(é)-yōs
accusative *-(é)-yos *-(é)-yosih₁ *-(é)-yōs
genitive *-(∅)-isés *? *-(∅)-isóHom
ablative *-(∅)-isés *? *-(∅)-ismós
dative *-(∅)-iséy *? *-(∅)-ismós
locative *-(∅)-yés, *-(∅)-yési *? *-(∅)-isú
instrumental *-(∅)-iséh₁ *? *-(∅)-ismís

Usage notes

Adverbs were formed by using the stem, *-yos-, without any ending.

Derived terms
Category Proto-Indo-European adjectives suffixed with *-yōs not found
  • *-is-ō ~ *-is-n-es
    • Proto-Germanic: *-izô, also *-ōzô
    • Proto-Hellenic: *-ihō
  • *-is-tos
  • *-is-(t)m̥mo-
    • Proto-Germanic: *-umô
    • Hellenic:
      • Ancient Greek: -τατος (-tatos) (< *-təmos with contamination from *-istos)
    • Proto-Indo-Iranian: *-ištamas
      • Proto-Indo-Aryan: *-iṣṭamas
        • Sanskrit: -इष्टम (-iṣṭama)
    • Proto-Italic: *-isemos

Descendants
  • Proto-Celtic: *-yūs, accusative *-(y)osam
    • Proto-Brythonic: *-ox (see there for further descendants)
  • Proto-Hellenic: *-yōs (*-y- is lost in palatalization)
    • Ancient Greek: -ων (-ōn) (with -ν- (-n-) conflated from the *-isō variant)
  • Proto-Indo-Iranian: *-yās
    • Proto-Indo-Aryan: *-yas
      • Sanskrit: -यस् (-yas)
    • Proto-Iranian: *-yah
      • Avestan: -𐬌𐬌𐬀𐬵‎ (-iiah)
  • Proto-Italic: *-jōs

See also

References
  • Sihler, Andrew L. (1995) New Comparative Grammar of Greek and Latin, Oxford, New York: Oxford University Press, →ISBN
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