Word Origin and History for tertiary Expand. adj. 1650s, of the third order, rank, degree, etc., from Latin tertiarius of or pertaining to a third, from tertius third, a third, from root of tres three (see three).
Water and Fluid retention in legs, also known as edema, is a medical condition caused by abnormal accumulation of water or fluids in the bodyâs tissues. Though excess water can be accumulated anywhere in the body, the most common areas are the ankles and legs.
Dealing with Water Retention in Your Legs and Ankles. Easing water retention in the legs and ankles. Water retention, also called edema, continues to be an irritating and uncomfortable condition in all ages and both genders throughout the world. Excess fluids can be retained anywhere in the body, but the most common areas are the legs and ankles.