Actually we have lots of Arabic words. Not only toponyms but everyday words. Even my wife’s second name is ‘Alfageme’. If a Spanish word starts with ‘al-‘ ‘ben-‘ or ‘guad-‘ it’s very likely an Arabic word, ‘guad-‘ stands for river while ‘ben-‘ stands for son.
What appears clear on this discussion is that nowadays world needs a standard way of communication. A sort of English-based Esperanto could be maintained by an international committee. This would assure reliable worldwide communication without thwarting local language evolution.
Returning to Latin, during centuries philosophers and scientist used Latin as a common language long after the fall of the Roman Empire. As you can see my idea is not an original one.


Juan Maria.