Final answer:
The prefix 'autos' means self and is derived from the Greek word 'autos'. It is commonly used in English words to indicate self-action or self-reliance.
Step-by-step explanation:
The prefix autos means self. It is derived from the Greek word 'autos' which means 'self' or 'same'. This prefix is commonly used in English words to indicate self-action or self-reliance. For example, 'autobiography' means a written account of one's own life.
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