Where does “Háṭṣas” come from?

Háṭṣas (Proto-Indo-Aryan) comes from Proto-Indo-Iranian Háćšas, from Proto-Indo-European h₂éḱs-os.

Ancestry of “Háṭṣas”, step by step

StepLanguageWordMeaning
1Proto-Indo-IranianHáćšasaxle
2Proto-Indo-Europeanh₂éḱs-os—
Every word from Proto-Indo-European h₂éḱs-os →Every word from Proto-Indo-Iranian Háćšas →