Where does “अथक” come from?

अथक (Hindi) comes from Hindi अ-, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

अथक (Hindi): indefatigable tireless; able to resist fatigue

Definitions

  1. indefatigable tireless; able to resist fatigue

Ancestry of “अथक”, step by step

StepLanguageWordMeaning
1Hindiअ-non-, un-, a-, an-
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 neEvery word from Sanskrit अ-Every word from Proto-Indo-European n̥-