The prefix auto means self.
auto- combining form from Greek αυτός (autos) = self, giving the meaning of self-, same-, or self-caused-bio- combining form of Greek βίος (vi-os) = life; akin to Latin vīvus = living...
It means self.
it derives from the term aut meaning the following definitions Self; same: autogamy. Automatic: autopilot.
dont know i dont think i ever will!