Where does “न” come from?

न (Newar) comes from Proto-Sino-Tibetan *kV-ni-s — two.

Ancestry of “न”, step by step

StepLanguageWordMeaning
1Proto-Sino-Tibetan*kV-ni-stwo

Words derived from “न”

Every word from Proto-Sino-Tibetan *kV-ni-s →