Entertaiment is all about giving the brain a good feeling, wich the mind was evolved to react deeply to. It can stimulate the brain to realease seratonin and dopamine, wich gives the feeling of wellbeing and happiness. Entertainment also often hit on topics the human mind was evolved to deeply understand and respond to like social backstabbing and murders.
The word entertainment derives from the Medieval Latin inter tenere, meaning to hold inside. The prefix inter means “inside,” and the suffix -tenere is related to the Indo-European root ten, which means to stretch or extend. These examples are programmatically compiled from various online sources and may not reflect the opinion of Merriam-Webster or its editors.