Entertaiment is a word that means to keep up, to sustain, or to keep up interest. It’s an important word to understand because it’s the basis of a huge industry that keeps people happy and engaged with music, movies, sports, and other activities. The word comes from the Latin intertenere, with the prefix inter meaning “inside” and the suffix tenere derived from the Indo-European root ten. To learn more about this interesting word, click on the words that appear in blue to find articles that describe them. For example, a family entertainment centre would have lots of kid-friendly activities. But it could also have a nightclub and other adult-oriented activities.