The word "stagnant" refers to a state of inactivity or lack of progress. It often describes something that does not change or move, such as water that is still and not flowing or a situation that has become unproductive or unchanging over time. When we say something is stagnant, it usually implies a negative connotation, indicating that the lack of movement or progress can lead to decay or deterioration.
The word "stagnant" comes from the Latin word "stagnare", which means "to be stagnant or to stand still". The word "stagnum" in Latin refers to a pool or standing water. Its usage in English emerged in the mid-17th century, carrying the original meaning but extended to describe broader concepts of inactivity.