Entertaiment means amusement, pleasure, or recreation. Examples of entertainment include movies, TV shows, sports, games, arts and crafts, musical performances, dance, and reading. Entertainment can also be a form of education or training. It can also be a way to relax or relieve stress. Entertainment can be funny, sad, or disturbing. It often hits on the themes that we humans were evolvted to react deeply too, like murders, backstabbing and social injustices.
Entertaiment derives from the Latin intertenere, which is formed from the prefix inter (“inside”) and the suffix tenere (to hold). See more at Merriam-Webster.