Where does “thang cuốn” come from?

thang cuốn (Vietnamese) comes from Vietnamese thẳng, from Chinese 湯, from Proto-Sino-Tibetan r-la(w)ŋ — steam; hot.

thang cuốn (Vietnamese): escalator

Definitions

  1. escalator

Ancestry of “thang cuốn”, step by step

thang cuốn traces back through two separate lines of ancestry.

via Vietnamese thẳng

StepLanguageWordMeaning
1Vietnamesethẳngstraight
2Chinese湯—
3Proto-Sino-Tibetanr-la(w)ŋsteam; hot

via Vietnamese cuốn

StepLanguageWordMeaning
1Vietnamesecuốnto roll
Every word from Proto-Sino-Tibetan r-la(w)ŋ →Every word from Chinese 湯 →Every word from Vietnamese thẳng →
thang cuốn — Etymology, Origin & Word History | Etymology Explorer