Why is the area around nipple called Ariola?

The area around the nipple is called the areola. The word "areola" comes from the Latin word "areola", which means "small open space" or "threshing floor". The areola is a pigmented area of skin that surrounds the nipple. It is typically darker in color than the surrounding skin and is more sensitive to touch. The areola contains glands that produce milk during breastfeeding. In some cultures, the areola is considered to be an erogenous zone.