Editing Classical Armenian (section)

== An example of noun in Old Armenian ==
Nouns in Old Armenian can belong to three models of declinations: o-type, i-type and i-a-type. Nouns can show more than one model of conjugation and retain all cases from PIE except for the vocative, which merged with the nominative and the accusative. All the strong cases lost their suffix in the singular; by contrast, almost every weak case in the singular keep a suffix. The cases are: nominative, genitive, dative, accusative, ablative, locative and instrumental. The o-type model shows an extremely simplified paradigm with many instances of syncretism and the constant use of the pluralization suffix -k' in the plural; not only do strong cases tend to converge in the singular, but most of the weak cases converge into -oy, perhaps from the PIE dative *-oey. There is no suffix for the dual number.
{| class="wikitable sortable"
|+արտ (art, "field"), o-type
!Case
!Old Armenian (singular)
!Old Armenian (plural)
|-
|''Nominative''
|<big>արտ (art) < [[Proto-Indo-European language|PIE]] *h₂éǵr'''os'''</big>
|<big>արտք (art'''kʻ''') < [[Proto-Indo-European language|PIE]] *h₂éǵr'''oes'''</big>
|-
|''Genitive''
|<big>արտոյ (art'''oy''') < *h₂éǵr'''oey'''?</big>
|<big>արտոց (art'''ocʻ''') < *h₂éǵr'''oHom'''</big>
|-
|''Dative''
|<big>արտոյ (art'''oy''') < *h₂éǵr'''oey'''</big>
|<big>արտոց (art'''ocʻ''') < *h₂éǵr'''omos'''</big>
|-
|''Accusative''
|<big>արտ (art) < *h₂éǵr'''om'''</big>
|<big>արտս (art'''s''') < *h₂éǵr'''oms'''</big>
|-
|''Ablative''
|<big>արտոյ (art'''oy''') < *h₂éǵr'''oey'''?</big>
|<big>արտոց (art'''ocʻ''') < *h₂éǵr'''omos'''</big>
|-
|''Locative''
|<big>արտ (art) < *h₂éǵr'''ey/oy'''</big>
|<big>արտս (art'''s''') < *h₂éǵr'''oysu'''</big>
|-
|''Instrumental''
|<big>արտով (art'''ov''') < *h₂éǵr'''oh₁'''</big>
|<big>արտովք (art'''ovkʻ''') < *h₂éǵr'''ōys'''</big>
|}