rivermost
Rivermost is an English adjective used to describe a location, feature, or object that is closest to a river or immediately adjacent to a riverbank. The term functions as a descriptive label rather than a formal category, and it may appear in geographic descriptions, planning documents, or literary descriptions of landscape.
Etymology: The word is formed from river and the suffix -most, which in English creates a sense
Usage and implications: In geography and urban planning, rivermost zones refer to areas along a river, especially
See also: riverine, riparian, floodplain, estuary, riverside.