Where does “không” come from?

không (Muong) comes from Vietnamese không, from Chinese 空, from Proto-Sino-Tibetan (g/k)uŋ — hole; orifice; hole; orifice; inner part.

không (Muong): zero; river

Definitions

  1. zero; river

Ancestry of “không”, step by step

không traces back through two separate lines of ancestry.

via Vietnamese không

StepLanguageWordMeaning
1Vietnamesekhôngnot; idly, without doing anything; not have; to...
2Chineseempty, hollow
3Proto-Sino-Tibetan(g/k)uŋhole; orifice; hole; orifice; inner part

via Proto-Vietic k-roːŋ

StepLanguageWordMeaning
1Proto-Vietick-roːŋriver
2Proto-Mon-Khmerruŋriver, channel; to fall, to drop off
Every word from Proto-Sino-Tibetan (g/k)uŋEvery word from Chinese Every word from Vietnamese không
không — Etymology, Origin & Word History | Etymology Explorer