The word "entrenched" means firmly established or settled in a particular attitude, behavior, or position. It often refers to something that is deeply rooted and difficult to change due to its long-standing nature. The term can also describe a situation where people are living or working in an area for a prolonged period of time, such as during wartime when soldiers dig trenches for protection. In this context, "entrenched" implies being firmly established in a particular way of life due to the circumstances they face.