Where does “franco-portugués” come from?
franco-portugués (Spanish) comes from Spanish portugués, from Portuguese português, from Old Portuguese portugaes, from Late Latin portucalensis, from Latin Portucale, from Latin Portus Cale, from Latin Portus, from Proto-Italic portus — passed , crossed.
franco-portugués (Spanish): Franco-Portuguese
Ancestry of “franco-portugués”, step by step