Where does “Kalimantan-Timur” come from?

Kalimantan-Timur (Indonesian) comes from Indonesian timur, from Malay timur, from Proto-Malayic timur, from Proto-Malayo-Polynesian timuʀ, from Proto-Austronesian timuʀ — south or east wind.

Ancestry of “Kalimantan-Timur”, step by step

Kalimantan-Timur traces back through two separate lines of ancestry.

via Indonesian timur

StepLanguageWordMeaning
1IndonesiantimurEast, one of the four principal compass points,...
2Malaytimureast; East, one of the four principal compass...
3Proto-Malayictimureast
4Proto-Malayo-Polynesiantimuʀsoutheast monsoon
5Proto-Austronesiantimuʀsouth or east wind

via Indonesian Kalimantan

StepLanguageWordMeaning
1IndonesianKalimantancapital: Banjarmasin
Every word from Proto-Austronesian timuʀ