from The American Heritage® Dictionary of the English Language, 4th Edition
- Self; same: autogamy.
- Automatic: autopilot.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Regarding oneself
- relating to cars or the driving of cars
from the GNU version of the Collaborative International Dictionary of English
- A combining form, with the meaning of self, one's self, one's own, itself, its own.
- a prefix with the meaning of self-moving, self-propelling; , an automobile car, carriage, truck, etc.
Greek, from autos, self.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek αὐτo- (auto), from αὐτός ("self"). (Wiktionary)