Some people only have the problem when they run water in a sink or a bathtub. The source of the odor in almost all of these instances is a buildup of biofilm on the sides of the pipes that connect the sink or fixture to the actual P-shaped trap under the fixture.
Subsided is defined as  calmed down or sunk to a lower level. When the noise of a crowd dies down, this is an example of when the noisesubsided.
(rÉªËsÉs, Ëri sÉs) n. 1. a temporary withdrawal or cessation from the usual work or activity; break. 2. a period of such withdrawal: a five-minute recess. 3. a receding part or space, as an alcove in a room. 4. an indentation, as in a coastline or a hill.