Where does “Сейшельські Острови” come from?

Сейшельські Острови (Ukrainian) comes from Ukrainian сейшельський, from Ukrainian -ськи́й, from Proto-Slavic -ьskъ, from Proto-Indo-European -iskos — Characteristic of, typical of, pertaining to.

Ancestry of “Сейшельські Острови”, step by step

Сейшельські Острови traces back through two separate lines of ancestry.

via Ukrainian сейшельський

StepLanguageWordMeaning
1UkrainianсейшельськийSeychellois
2Ukrainian-ськи́йUsed to form adjectives, often from nouns; -ish, -y, of -'s (double genitive)
3Proto-Slavic-ьskъ-ic, -ish
4Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to

via Ukrainian острів

StepLanguageWordMeaning
1Ukrainianострівisland
2Proto-Slavicostrovъstreamlined; river island; island
3Proto-Indo-Europeanstrow-
Every word from Proto-Indo-European -iskosEvery word from Ukrainian -ськи́йEvery word from Proto-Slavic -ьskъ