Progne is a type of mushroom known for its distinctive appearance, resembling a small, gray or black cloud-shaped organism. It's also often associated with the belief that it can ward off evil spirits and protect against disease.
The term "progna" is a term in the Semitic languages used to indicate a specific type of agricultural laborer or worker, who was traditionally known as "gur". The term "progna" appears in several instances throughout history and can be used to describe people who were involved in farming, herding, or other forms of agricultural work.