Where does “sao Thuỷ” come from?
sao Thuỷ (Vietnamese) comes from Vietnamese thuỷ, from Middle Chinese 水, from Proto-Sino-Tibetan lwi(j) — flow; stream.
Ancestry of “sao Thuỷ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Vietnamese | thuỷ | water; Water, one of the Wu Xing |
| 2 | Middle Chinese | 水 | — |
| 3 | Proto-Sino-Tibetan | lwi(j) | flow; stream |