Where does “pannacionalisme” come from?

pannacionalisme (Catalan) comes from Catalan nacionalisme, from Catalan nacional, from Catalan nació, from Latin nātiō, from Latin nātus, from Latin gnātus, from Proto-Italic gnātos, from Proto-Indo-European ǵn̥h₁tós — to produce, to beget, to give birth.

pannacionalisme (Catalan): pan-nationalism