From Russian -ский (-skij, adjectival suffix), perhaps influenced by Russki or other -ski-terminated terms such as Russian surnames. Doublet of -ish and -esque.
-ski
As with many slang suffixes, there are probably multiple origins. The main origin is probably -ska + -i, but there is almost certainly at least some inspiration taken from Russian -ский (-skij).
-ski (slang)
From Proto-Slavic *-ьskъ, from Proto-Indo-European *-iskos.
-ski
| Masculine singular | Feminine singular | Neuter singular | Dual | Plural | |
|---|---|---|---|---|---|
| Nominative | -ski | -ska | -ske | -skej | -ske |
| Genitive | -skego | -skeje | -skego | -skeju | -skich |
| Dative | -skemu | -skej | -skemu | -skima | -skim |
| Accusative | -ski -skego (animate) |
-sku | -ske | -skej -skeju (animate) |
-ske -skich (optional animate form) |
| Instrumental | -skim | -skeju | -skim | -skima | -skimi |
| Locative | -skem | -skej | -skem | -skima | -skich |
Inherited from Proto-Slavic *-ьskъ.
-ski
Inherited from Old Polish -ski, from Proto-Slavic *-ьskъ.
-ski
| singular | plural | |||||
|---|---|---|---|---|---|---|
| masculine animate | masculine inanimate | feminine | neuter | virile (= masculine personal) | non-virile | |
| nominative | -ski | -ska | -skie | -scy | -skie | |
| genitive | -skiego | -skiej | -skiego | -skich | ||
| dative | -skiemu, -sku1 | -skiej | -skiemu, -sku1 | -skim | ||
| accusative | -skiego | -ski | -ską | -skie | -skich | -skie |
| instrumental | -skim | -ską | -skim | -skimi | ||
| locative | -skim | -skiej | -skim | -skich | ||
1Archaic.
From Proto-Slavic *-ьskъ, from Proto-Indo-European *-iskos.
-skī (Cyrillic spelling -скӣ)
-ski (Cyrillic spelling -ски)
From Proto-Slavic *-ьskъ, from Proto-Indo-European *-iskos.
-ski