Where does “yatna” come from?

yatna (Old Javanese) comes from Sanskrit यत्न, from Sanskrit यत्, from Old Turkic yat-, from Proto-Indo-European yet- — to establish oneself, place firmly.

Ancestry of “yatna”, step by step

StepLanguageWordMeaning
1Sanskritयत्नactivity of will, volition, aspiring after
2Sanskritयत्to place in order, marshal, join, connect; to...
3Old Turkicyat-to bend, incline; to lie
4Proto-Indo-Europeanyet-to establish oneself, place firmly
Every word from Proto-Indo-European yet- →Every word from Old Turkic yat- →Every word from Sanskrit यत् →