Final answer:
The prefix of epilepsy is 'epi-', which means 'upon' or 'over' in Greek. It indicates that the condition involves seizures that occur on or above the cerebral cortex of the brain.
Step-by-step explanation:
The prefix of epilepsy is epi-. The prefix 'epi-' means 'upon' or 'over' in Greek, and it is used in medical terms to describe something that is located on or above a certain structure or condition. In the case of epilepsy, the prefix 'epi-' indicates that the condition involves seizures that occur on or above the cerebral cortex of the brain.
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