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.
Water retention is a medical condition that describes swelling thatâs caused by the accumulation of excess fluid in body tissues. Symptoms of water retention include swelling of body parts such as ankles, feet and hands, weight fluctuations and a feeling of aching or stiffness.