Well the word Nile is derived from not only Latin: Nīlos; Greek: Νεἱλος and derived from the Semitic: Nahal meaning river! It is probably derived from the Egyptian language Ḥ'pī or iteru...
There is the Nile, the Blue Nile and the White Nile. There was a Yellow Nile but no Black Nile.
However the Ancient Egyptians sometimes called the river Ar or Aur (black) because of the colour of...