Where does “Hnā́kʰš ~ Hnaǰʰás” come from?

Hnā́kʰš ~ Hnaǰʰás (Proto-Indo-Iranian) comes from Proto-Indo-European h₃nṓgʷʰ-s ~ h₃negʷʰ-és, from Proto-Indo-European h₃negʰ- — nail.

Ancestry of “Hnā́kʰš ~ Hnaǰʰás”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanh₃nṓgʷʰ-s ~ h₃negʷʰ-és—
2Proto-Indo-Europeanh₃negʰ-nail
Every word from Proto-Indo-European h₃negʰ- →Every word from Proto-Indo-European h₃nṓgʷʰ-s ~ h₃negʷʰ-és →