Where does “Антарктида” come from?

Антарктида (Ukrainian) comes from New Latin Antarctica, from Ancient Greek ἀνταρκτικός, from Ancient Greek ἀρκτικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

Ancestry of “Антарктида”, step by step

StepLanguageWordMeaning
1New LatinAntarctica
2Ancient Greekἀνταρκτικόςantarctic
3Ancient Greekἀρκτικόςhaving to do with the Great Bear; northern lands;...
4Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
5Ancient Greek-κόςforms adjectives with the sense of 'of or...
6Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -ḱosEvery word from Ancient Greek -ικόςEvery word from Ancient Greek -κός