Where does “tàu điện ngầm” come from?

tàu điện ngầm (Vietnamese) comes from Vietnamese tàu điện, from Vietnamese Tàu, from Vietnamese Ba Tàu, from Vietnamese ba, from Proto-Vietic paː, from Proto-Mon-Khmer piʔ.

tàu điện ngầm (Vietnamese): subway, rapid transit, underground

Definitions

  1. subway, rapid transit, underground

Ancestry of “tàu điện ngầm”, step by step

tàu điện ngầm traces back through two separate lines of ancestry.

via Vietnamese tàu điện

StepLanguageWordMeaning
1Vietnamesetàu điệna powered train
2VietnameseTàuChinese; Chink
3VietnameseBa TàuOf or pertaining to ethnic Chinese people in...
4Vietnamesebafather; three; secondborn
5Proto-Vieticpaːthree
6Proto-Mon-Khmerpiʔ—

via Vietnamese ngầm

StepLanguageWordMeaning
1Vietnamesengầmunderground; subterranean; secret; covert;...
Every word from Proto-Mon-Khmer piʔ →Every word from Proto-Vietic paː →Every word from Vietnamese ba →