Language doesn’t come up from planned academic consensus, it comes from common use. If there were more people using the Spanish then French word negro because that’s the cultural environment these people came from and where they used it, and the accent gradually changed the word to something more unique, then that’s what the new word is. Wikipedia says that process took 200 years. They ended with that word and not another word because they were not using that other word before, simple as.
Language doesn’t come up from planned academic consensus, it comes from common use. If there were more people using the Spanish then French word negro because that’s the cultural environment these people came from and where they used it, and the accent gradually changed the word to something more unique, then that’s what the new word is. Wikipedia says that process took 200 years. They ended with that word and not another word because they were not using that other word before, simple as.