From Proto-Indo-European *h₁rewdʰ-.
*roudos
- red
O/ā-stem
|
masculine
|
singular
|
dual
|
plural
|
nominative
|
*roudos
|
*roudou
|
*roudoi
|
vocative
|
*roude
|
*roudou
|
*roudoi
|
accusative
|
*roudom
|
*roudou
|
*roudons
|
genitive
|
*roudī
|
*roudous
|
*roudom
|
dative
|
*roudūi
|
*roudobom
|
*roudobos
|
instrumental
|
*roudū
|
*roudobim
|
*roudobis
|
feminine
|
singular
|
dual
|
plural
|
nominative
|
*roudā
|
*roudai
|
*roudās
|
vocative
|
*roudā
|
*roudai
|
*roudās
|
accusative
|
*roudam
|
*roudai
|
*roudans
|
genitive
|
*roudās
|
*roudous
|
*roudom
|
dative
|
*roudai
|
*roudābom
|
*roudābos
|
instrumental
|
*?
|
*roudābim
|
*roudābis
|
neuter
|
singular
|
dual
|
plural
|
nominative
|
*roudom
|
*roudou
|
*roudā
|
vocative
|
*roudom
|
*roudou
|
*roudā
|
accusative
|
*roudom
|
*roudou
|
*roudā
|
genitive
|
*roudī
|
*roudous
|
*roudom
|
dative
|
*roudūi
|
*roudobom
|
*roudobos
|
instrumental
|
*roudū
|
*roudobim
|
*roudobis
|
Declension of the comparative
|
masculine
|
singular
|
dual
|
plural
|
nominative
|
*roudyūs
|
*?
|
*roudyoses
|
vocative
|
*roudyūs
|
*?
|
*roudyoses
|
accusative
|
*roudyosam
|
*?
|
*roudyosans
|
genitive
|
*roudisos
|
*?
|
*roudisom
|
dative
|
*roudisei
|
*?
|
*roudisbos
|
instrumental
|
*roudisī
|
*?
|
*roudisbis
|
feminine
|
singular
|
dual
|
plural
|
nominative
|
*roudyūs
|
*?
|
*roudyoses
|
vocative
|
*roudyūs
|
*?
|
*roudyoses
|
accusative
|
*roudyosam
|
*?
|
*roudyosans
|
genitive
|
*roudisos
|
*?
|
*roudisom
|
dative
|
*roudisei
|
*?
|
*roudisbos
|
instrumental
|
*roudisī
|
*?
|
*roudisbis
|
neuter
|
singular
|
dual
|
plural
|
nominative
|
*roudis
|
*?
|
*?
|
vocative
|
*roudis
|
*?
|
*?
|
accusative
|
*roudis
|
*?
|
*?
|
genitive
|
*roudisos
|
*?
|
*roudisom
|
dative
|
*roudisei
|
*?
|
*roudisbos
|
instrumental
|
*roudisī
|
*?
|
*roudisbis
|