Where does “công sức” come from?
công sức (Vietnamese) comes from Vietnamese sức, from Proto-Vietic k-rək, from Old Chinese 力.
công sức (Vietnamese): labour; work
Ancestry of “công sức”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Vietnamese | sức | strength; power |
| 2 | Proto-Vietic | k-rək | strong |
| 3 | Old Chinese | 力 | — |