From Proto-Sino-Tibetan *r/g-na. Cognate with Nuosu ꅳꀧ (hnap bo), Burmese နား (na:), Tibetan རྣ་བ (rna ba), Japhug tɯrna, Drung vna, Lolopo nolba.
नाभाक (nabʰakʌ)
