Where does “khoét rỗng” come from?

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

khoét rỗng (Vietnamese): to hollow out

Definitions

  1. to hollow out

Ancestry of “khoét rỗng”, step by step

khoét rỗng traces back through two separate lines of ancestry.

via Vietnamese rộng

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

via Vietnamese khoét

StepLanguageWordMeaning
1Vietnamesekhoétto bore, to perforate
Every word from Proto-Vietic roːŋʔ →Every word from Vietnamese rộng →