Where does “subnacional” come from?

subnacional (Spanish) comes from Spanish nacional, from Spanish nación, from Latin nātiō, from Latin nātus, from Latin gnātus, from Proto-Italic gnātos, from Proto-Indo-European ǵn̥h₁tós, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

subnacional (Spanish): subnational