Where does “sức” come from?

sức (Vietnamese) comes from Proto-Vietic k-rək, from Old Chinese 力.

sức (Vietnamese): strength; power

Definitions

strength; power

Ancestry of “sức”, step by step

Step	Language	Word	Meaning
1	Proto-Vietic	k-rək	strong
2	Old Chinese	力	—

Words derived from “sức”

Every word from Old Chinese 力 →

sức — Etymology, Origin & Word History | Etymology Explorer