From Wiktionary, the free dictionary
declension of cel-gau-noun-o-n (Transalpine)
Case
|
Singular
|
Plural
|
Nominative
|
[[{{{1}}}on]]
|
[[{{{1}}}oi]]
|
Vocative
|
[[{{{1}}}e]]
|
[[{{{1}}}oi]]
|
Accusative
|
[[{{{1}}}on]]
|
[[{{{1}}}ōs]]1, [[{{{1}}}ūs]]2
|
Genitive
|
[[{{{1}}}i]]
|
[[{{{1}}}on]]
|
Dative
|
[[{{{1}}}ū]]
|
[[{{{1}}}obo]]
|
Instrumental
|
[[{{{1}}}ū]]
|
[[{{{1}}}uis]]1, [[{{{1}}}ūs]]2
|
Locative
|
[[{{{1}}}ei]]1, [[{{{1}}}ē]]2
|
[[{{{1}}}ois]]
|
|
1 early forms, 2 late forms
|
|