I want to know the answer to the following question:
What language does the name of the Niger River come from?
All the background I'm provided with is that "The word ( Niger )  is an alteration of the Tuareg name egerew n-igerewen used by inhabitants along the middle reaches of the river around Timbuktu prior to 19th-century European colonialism.". Is that enough to answer the question?
Answer: yes