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.
When the body retains salt it also holds on to fluid and thereby may cause some oedema. A possible cause of fluid retention often overlooked by people and difficult to diagnose is due to binge eating alternating with strict dieting. This can cause intermittent fluid retention.Mild swelling of the feet, hands, tummy (abdomen), breasts and face may occur.lthough there is no cure for idiopathic oedema, having a healthy diet which is low in salt can make a real difference. Support stockings and regular exercise are also beneficial. Oedema is the medical term for fluid retention. Idiopathic is a term which means unknown cause.