The term 'STASIS' is a 6-letter word that can be used to describe the stopping of flow of something. STASIS is derived from the Greek word meaning 'to stand still' and is often used to refer to a state of inactivity or equilibrium. In biology, STASIS refers to the cessation of movement or activity, such as the slowing of blood flow or the halting of a chemical reaction. In other contexts, STASIS can refer to a period of stagnation or a lack of progress.