Where does “न्या” come from?

न्या (Newari) comes from Proto-Sino-Tibetan *l-ŋaʔ — five.

Ancestry of “न्या”, step by step

StepLanguageWordMeaning
1Proto-Sino-Tibetan*l-ŋaʔfive
Every word from Proto-Sino-Tibetan *l-ŋaʔ