stāgnō āvī, ātus, āre
stagnum.—Of waters in inundation, to cover the land as a lake, become a pool, stagnate : stagnans flumine Nilus, V.: spatium aquarum late stagnantium, Cu.: ut stagnare paludibus orbem videt, is covered , O.: (loca) stagnata paludibus ument, made a pool , O.