Where does “Південна Америка” come from?

Південна Америка (Ukrainian) comes from Ukrainian Америка, from New Latin America, from Italian Amerigo, from Proto-Germanic *Amalarīks, from Proto-Germanic Haimarīks, from Proto-Germanic rīks, from Proto-Celtic rīxs, from Proto-Indo-European h₃rḗǵs — to straighten, to right oneself; right; just.

Ancestry of “Південна Америка”, step by step

Південна Америка traces back through two separate lines of ancestry.

via Ukrainian Америка

StepLanguageWordMeaning
1UkrainianАмерика
2New LatinAmerica
3ItalianAmerigo
4Proto-Germanic*Amalarīks
5Proto-GermanicHaimarīksHenry
6Proto-Germanicrīksking, ruler
7Proto-Celticrīxsking
8Proto-Indo-Europeanh₃rḗǵsking, ruler
9Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via Ukrainian південь

StepLanguageWordMeaning
1Ukrainianпівденьmidday, noon
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃rḗǵsEvery word from Proto-Celtic rīxs