What does the root word auto mean with examples, words, prefixes: Root word auto is defined as “self.” Some of the words for root word auto are autoplay, autosuggest, auto gear, autopsy. The super-simple method to get the words for the root word auto is “autonomous.” This word is used by many colleges. “Self” means it works by no other means rather by its own means. The word “auto” is derived from the Greek word. The beginning of the word comes during 300 BC when a philosopher called Heraclitus uses a term called “This world is in a state of flux.” Heraclitus then termed it as “auto.” Later on Aristotle…