Where does “niẓḍás” come from?

niẓḍás (Proto-Indo-Aryan) comes from Proto-Indo-Iranian niždás, from Proto-Indo-European nisdós, from Proto-Indo-European h₁ni, from Proto-Indo-European h₁én — in.

Ancestry of “niẓḍás”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianniždásnest
2Proto-Indo-Europeannisdósnest
3Proto-Indo-Europeanh₁nidown
4Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁én →Every word from Proto-Indo-European h₁ni →Every word from Proto-Indo-European nisdós →