Reconstruction:Proto-Slavic/kosatъ
Proto-Slavic
Etymology 1
Formed as *kosa (“hair/scythe”) + *-atъ.
Adjective
*kosàtъ
- hairy
- Synonym: *kosmatъ
- having pigtail
- having sharp appendages
Declension
| singular | masculine | feminine | neuter |
|---|---|---|---|
| nominative | *kosatъ | *kosata | *kosato |
| genitive | *kosata | *kosaty | *kosata |
| dative | *kosatu | *kosatě | *kosatu |
| accusative | *kosatъ | *kosatǫ | *kosato |
| instrumental | *kosatomь | *kosatojǫ | *kosatomь |
| locative | *kosatě | *kosatě | *kosatě |
| vocative | *kosate | *kosato | *kosato |
| dual | masculine | feminine | neuter |
| nominative | *kosata | *kosatě | *kosatě |
| genitive | *kosatu | *kosatu | *kosatu |
| dative | *kosatoma | *kosatama | *kosatoma |
| accusative | *kosata | *kosatě | *kosatě |
| instrumental | *kosatoma | *kosatama | *kosatoma |
| locative | *kosatu | *kosatu | *kosatu |
| vocative | *kosata | *kosatě | *kosatě |
| plural | masculine | feminine | neuter |
| nominative | *kosati | *kosaty | *kosata |
| genitive | *kosatъ | *kosatъ | *kosatъ |
| dative | *kosatomъ | *kosatamъ | *kosatomъ |
| accusative | *kosaty | *kosaty | *kosata |
| instrumental | *kosaty | *kosatami | *kosaty |
| locative | *kosatěxъ | *kosataxъ | *kosatěxъ |
| vocative | *kosati | *kosaty | *kosata |
| singular | masculine | feminine | neuter |
|---|---|---|---|
| nominative | *kosatъjь | *kosataja | *kosatoje |
| genitive | *kosatajego | *kosatyję̇ | *kosatajego |
| dative | *kosatujemu | *kosatěji | *kosatujemu |
| accusative | *kosatъjь | *kosatǫjǫ | *kosatoje |
| instrumental | *kosatyjimь | *kosatǫjǫ | *kosatyjimь |
| locative | *kosatějemь | *kosatěji | *kosatějemь |
| vocative | *kosatъjь | *kosataja | *kosatoje |
| dual | masculine | feminine | neuter |
| nominative | *kosataja | *kosatěji | *kosatěji |
| genitive | *kosatuju | *kosatuju | *kosatuju |
| dative | *kosatyjima | *kosatyjima | *kosatyjima |
| accusative | *kosataja | *kosatěji | *kosatěji |
| instrumental | *kosatyjima | *kosatyjima | *kosatyjima |
| locative | *kosatuju | *kosatuju | *kosatuju |
| vocative | *kosataja | *kosatěji | *kosatěji |
| plural | masculine | feminine | neuter |
| nominative | *kosatiji | *kosatyję̇ | *kosataja |
| genitive | *kosatъjixъ | *kosatъjixъ | *kosatъjixъ |
| dative | *kosatyjimъ | *kosatyjimъ | *kosatyjimъ |
| accusative | *kosatyję̇ | *kosatyję̇ | *kosataja |
| instrumental | *kosatyjimi | *kosatyjimi | *kosatyjimi |
| locative | *kosatyjixъ | *kosatyjixъ | *kosatyjixъ |
| vocative | *kosatiji | *kosatyję̇ | *kosataja |
Descendants
- East Slavic:
- Belarusian: каса́ты (kasáty)
- Russian: коса́тый (kosátyj)
- Ukrainian: коса́тий (kosátyj)
- South Slavic:
- West Slavic:
Further reading
- Trubachyov, Oleg, editor (1984), “*kosatъ(jь) I”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 11 (*konьcь – *kotьna(ja)), Moscow: Nauka, page 136
Etymology 2
Fossilized deadjectival noun from Proto-Slavic *kosa (“scythe”).
Noun
*kosàtъ m
- dorsal fin (of fish, sharks, or catacea)
Declension
| singular | dual | plural | |
|---|---|---|---|
| nominative | *kosatъ | *kosata | *kosati |
| genitive | *kosata | *kosatu | *kosatъ |
| dative | *kosatu | *kosatoma | *kosatomъ |
| accusative | *kosatъ | *kosata | *kosaty |
| instrumental | *kosatъmь, *kosatomь* | *kosatoma | *kosaty |
| locative | *kosatě | *kosatu | *kosatěxъ |
| vocative | *kosate | *kosata | *kosati |
* -ъmь in North Slavic, -omь in South Slavic.
Derived terms
- *kosatъka (“orca”)
Descendants
- South Slavic:
- Bulgarian: косат (“cyprinid fish”)
Further reading
- Trubachyov, Oleg, editor (1984), “*kosatъ(jь) II”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 11 (*konьcь – *kotьna(ja)), Moscow: Nauka, page 136
- Georgiev, Vladimir I., editor (1979), “косат”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 2 (и – крепя̀), Sofia: Bulgarian Academy of Sciences Pubg. House, page 657