Where does “Kalimantan-Barat” come from?

Kalimantan-Barat (Indonesian) comes from Indonesian barat, from Malay barat, from Proto-Malayic barat, from Proto-Malayo-Polynesian habaʀat, from Proto-Austronesian Sabaʀat — east or south wind.

Ancestry of “Kalimantan-Barat”, step by step

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

via Indonesian barat

StepLanguageWordMeaning
1Indonesianbaratwest
2Malaybaratwest
3Proto-Malayicbaratwest
4Proto-Malayo-Polynesianhabaʀatsouthwest monsoon
5Proto-AustronesianSabaʀateast or south wind

via Indonesian Kalimantan

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