No etymology given by Delamarre.
The usual derivation takes this as derived from Proto-Indo-European *kʷyeh₁- (“to rest”),[1][2] but this requires a metathesis in its currently reconstructed form, and this reconstruction cannot accommodate the Gaulish words.
*keinos[3]
O/ā-stem | |||
---|---|---|---|
masculine | singular | dual | plural |
nominative | *keinos | *keinou | *keinoi |
vocative | *keine | *keinou | *keinoi |
accusative | *keinom | *keinou | *keinoms |
genitive | *keinī | *keinous | *keinom |
dative | *keinūi | *keinobom | *keinobos |
instrumental | *keinū | *keinobim | *keinobis |
feminine | singular | dual | plural |
nominative | *keinā | *keinai | *keinās |
vocative | *keinā | *keinai | *keinās |
accusative | *keinam | *keinai | *keinams |
genitive | *keinās | *keinous | *keinom |
dative | *keinai | *keinābom | *keinābos |
instrumental | *? | *keinābim | *keinābis |
neuter | singular | dual | plural |
nominative | *keinom | *keinou | *keinā |
vocative | *keinom | *keinou | *keinā |
accusative | *keinom | *keinou | *keinā |
genitive | *keinī | *keinous | *keinom |
dative | *keinūi | *keinobom | *keinobos |
instrumental | *keinū | *keinobim | *keinobis |
Declension of the comparative | |||
---|---|---|---|
masculine | singular | dual | plural |
nominative | *keinyūs | *? | *keinyoses |
vocative | *keinyūs | *? | *keinyoses |
accusative | *keinyosam | *? | *keinyosams |
genitive | *keinisos | *? | *keinisom |
dative | *keinisei | *? | *keinisbos |
instrumental | *keinisī | *? | *keinisbis |
feminine | singular | dual | plural |
nominative | *keinyūs | *? | *keinyoses |
vocative | *keinyūs | *? | *keinyoses |
accusative | *keinyosam | *? | *keinyosams |
genitive | *keinisos | *? | *keinisom |
dative | *keinisei | *? | *keinisbos |
instrumental | *keinisī | *? | *keinisbis |
neuter | singular | dual | plural |
nominative | *keinis | *? | *? |
vocative | *keinis | *? | *? |
accusative | *keinis | *? | *? |
genitive | *keinisos | *? | *keinisom |
dative | *keinisei | *? | *keinisbos |
instrumental | *keinisī | *? | *keinisbis |