from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person with dark skin who comes from Africa (or whose ancestors came from Africa)
Sorry, no etymologies found.
As for being racist, I have a lot more sympathy for racist presumptions on the part of a black person -- any reasonably intelligent black person, let alone an actual scholar OF THE VERY SUBJECT -- in an encounter with the police than I would for the same presumptions from the police regarding a black person.