Where does “Ba Tây” come from?

Ba Tây (Vietnamese) comes from Chinese 巴西, from Malay pasir, from Proto-Malayic *pasir, from Proto-Malayo-Polynesian *pasiʀ.

Ancestry of “Ba Tây”, step by step

StepLanguageWordMeaning
1Chinese巴西an ancient commandery in modern Sichuan
2Malaypasirsand
3Proto-Malayic*pasirsand
4Proto-Malayo-Polynesian*pasiʀ—
Every word from Proto-Malayo-Polynesian *pasiʀ →Every word from Proto-Malayic *pasir →Every word from Malay pasir →
Ba Tây — Etymology, Origin & Word History | Etymology Explorer