هِنْدُوکوه (Classical Persian) comes from Persian هندو, from Middle Persian hndwk', from Middle Persian hnd, from Old Persian 𐏃𐎡𐎯𐎢𐏁 — India; people living beyond the Indus.
Ancestry of “هِنْدُوکوه”, step by step
هِنْدُوکوه traces back through two separate lines of ancestry.