Where does “nới rộng” come from?

nới rộng (Vietnamese) comes from Vietnamese rộng, from Proto-Vietic roːŋʔ.

nới rộng (Vietnamese): to extend; to expand; to enlarge

Definitions

  1. to extend; to expand; to enlarge

Ancestry of “nới rộng”, step by step

nới rộng traces back through two separate lines of ancestry.

via Vietnamese rộng

StepLanguageWordMeaning
1Vietnameserộnghaving lots of space, or spanning across great...
2Proto-Vieticroːŋʔ—

via Vietnamese nói

StepLanguageWordMeaning
1Vietnamesenóito speak, to talk, to say, to tell
2Chinese內—
Every word from Proto-Vietic roːŋʔ →Every word from Vietnamese rộng →