Where does “mặt phẳng” come from?
mặt phẳng (Vietnamese) comes from Vietnamese phẳng, from Proto-Tai ʰwaŋᴮ.
mặt phẳng (Vietnamese): plane
Ancestry of “mặt phẳng”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Vietnamese | phẳng | level, flat, even |
| 2 | Proto-Tai | ʰwaŋᴮ | — |