Where does “आखः” come from?

आखः (Newari) comes from Sanskrit अक्षर, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “आखः”, step by step

StepLanguageWordMeaning
1Sanskritअक्षरimperishable; unalterable; syllable
2Sanskritअ-un-, not; Used in the formation of imperfect,...
3Proto-Indo-Iraniana-un-, a-
4Proto-Indo-Europeann̥-not, un-
5Proto-Indo-Europeannenot
Every word from Proto-Indo-European ne →Every word from Sanskrit अ- →Every word from Proto-Indo-European n̥- →