Where does “ສີ່ສິບເກົ້າ” come from?
ສີ່ສິບເກົ້າ (Lao) comes from Lao ເກົ້າ, from Proto-Tai *kɤwꟲ, from Middle Chinese 九, from Old Chinese 九, from Proto-Sino-Tibetan d/s-kəw — nine.
ສີ່ສິບເກົ້າ (Lao): forty-nine
Ancestry of “ສີ່ສິບເກົ້າ”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Lao | ເກົ້າ | nine; head; headhair |
| 2 | Proto-Tai | *kɤwꟲ | — |
| 3 | Middle Chinese | 九 | — |
| 4 | Old Chinese | 九 | — |
| 5 | Proto-Sino-Tibetan | d/s-kəw | nine |