Where does “Korea Selatan” come from?

Korea Selatan (Indonesian) comes from Indonesian selatan, from Malay selatan, from Proto-Malayic sAlatan, from Proto-Malayo-Polynesian salatan — south or south wind.

Ancestry of “Korea Selatan”, step by step

Korea Selatan traces back through two separate lines of ancestry.

via Indonesian selatan

StepLanguageWordMeaning
1Indonesianselatansouth
2Malayselatansouth
3Proto-MalayicsAlatan—
4Proto-Malayo-Polynesiansalatansouth or south wind

via Indonesian Korea

StepLanguageWordMeaning
1IndonesianKorea—
2MalayKorea—
3Korean고려(高麗)—
Every word from Proto-Malayo-Polynesian salatan →Every word from Proto-Malayic sAlatan →Every word from Malay selatan →