Uncertain, as a-vocalisms are not common. Perhaps from Proto-Indo-European *(s)ḱem-, same source as Proto-Germanic *skammaz (“short”). Similar semantic connections can be found between "light" and "lungs" in other Indo-European languages, such as Proto-Germanic *lungô (“lung”) being from Proto-Indo-European *h₁lengʷʰ- (“nimble, light”).[1][2]
*skamos[2]
O/ā-stem | |||
---|---|---|---|
masculine | singular | dual | plural |
nominative | *skamos | *skamou | *skamoi |
vocative | *skame | *skamou | *skamoi |
accusative | *skamom | *skamou | *skamoms |
genitive | *skamī | *skamous | *skamom |
dative | *skamūi | *skamobom | *skamobos |
instrumental | *skamū | *skamobim | *skamobis |
feminine | singular | dual | plural |
nominative | *skamā | *skamai | *skamās |
vocative | *skamā | *skamai | *skamās |
accusative | *skamam | *skamai | *skamams |
genitive | *skamās | *skamous | *skamom |
dative | *skamai | *skamābom | *skamābos |
instrumental | *? | *skamābim | *skamābis |
neuter | singular | dual | plural |
nominative | *skamom | *skamou | *skamā |
vocative | *skamom | *skamou | *skamā |
accusative | *skamom | *skamou | *skamā |
genitive | *skamī | *skamous | *skamom |
dative | *skamūi | *skamobom | *skamobos |
instrumental | *skamū | *skamobim | *skamobis |
Declension of the comparative | |||
---|---|---|---|
masculine | singular | dual | plural |
nominative | *skamyūs | *? | *skamyoses |
vocative | *skamyūs | *? | *skamyoses |
accusative | *skamyosam | *? | *skamyosams |
genitive | *skamisos | *? | *skamisom |
dative | *skamisei | *? | *skamisbos |
instrumental | *skamisī | *? | *skamisbis |
feminine | singular | dual | plural |
nominative | *skamyūs | *? | *skamyoses |
vocative | *skamyūs | *? | *skamyoses |
accusative | *skamyosam | *? | *skamyosams |
genitive | *skamisos | *? | *skamisom |
dative | *skamisei | *? | *skamisbos |
instrumental | *skamisī | *? | *skamisbis |
neuter | singular | dual | plural |
nominative | *skamyos | *? | *skamyosa? |
vocative | *skamyos | *? | *skamyosa? |
accusative | *skamyos | *? | *skamyosa? |
genitive | *skamisos | *? | *skamisom |
dative | *skamisei | *? | *skamisbos |
instrumental | *skamisī | *? | *skamisbis |