Where does “Centroamerica” come from?
Centroamerica (Italian) comes from Italian America, from New Latin America, from Italian Amerigo, from Proto-Germanic *Amalarīks, from Proto-Germanic Haimarīks, from Proto-Germanic rīks, from Proto-Celtic rīxs, from Proto-Indo-European h₃rḗǵs — to straighten, to right oneself; right; just.
Ancestry of “Centroamerica”, step by step