See also: -ός and ὅς

Ancient GreekEdit

Etymology 1Edit

From Proto-Indo-European *-os.

SuffixEdit

-ος (-osm (genitive -ου); second declension

  1. Added to verbal roots to form an o-grade action noun.

Usage notesEdit

The accent is recessive.

Derived termsEdit


Etymology 2Edit

From Proto-Indo-European *-os.

SuffixEdit

-ος (-osn (genitive -εος or -ους); third declension

  1. Added to verbal roots to form a noun of result or an abstract noun of action.
    1. Added to the zero-grade.
      ἔπᾰθον (épathon, I experienced, aorist) + ‎-ος (-os) → ‎πᾰ́θος (páthos, experience, emotion)
    2. Added to the e-grade.
      μείρομαι (meíromai, to receive as one's portion) + ‎-ος (-os) → ‎μέρος (méros, part)

Etymology 3Edit

SuffixEdit

-ος (-os)

  1. Nominative singular of masculine and feminine second-declension nouns
    ἄνθρωπος m or f (ánthrōpos, person)
  2. Masculine nominative singular of first- and second-declension adjectives
    ἄλλος m (állos, other)
  3. Masculine and feminine nominative singular of second-declension adjectives
    ἄδικος m or f (ádikos, unjust)
  4. Genitive singular of consonant-stem or uncontracted third-declension nouns
    ὀνόματος n (onómatos, of a name)
  5. Genitive singular of consonant-stem or uncontracted third-declension masculine or neuter adjectives
    παντός m or n (pantós, of the whole of)

GreekEdit

SuffixEdit

-ος (-os)

  1. An ending found in nouns
    1. In nominative singular form of many masculine nouns
      eg: δρόμος (drómos), καλόγερος (kalógeros), etc
    2. In nominative singular form of few feminine nouns
      eg: μήφος (mífos), διάμετρος (diámetros), etc
    3. In nominative, accusative and vocative singular forms of few neuter nouns
      eg: δάσος (dásos), έδαφος (édafos), etc
  2. An ending found in majority of adjectives

Derived termsEdit

Masculine nouns — numbers indicate the current frequencies found on Wiktionary
Feminine nouns
Neuter nouns
Adjectives