seawall
UK[ˈsiːwɔːl]US[ˈsiːwɔːl]
n
a wall or embankment built to prevent the sea from eroding the land or flooding an area.
Morpheme Breakdown
sea
wall
sea
body of salt water
wall
solid structure
Etymology
the word 'seawall' is a transparent compound formed from two old english roots. 'sea' originates from the proto-germanic 'saiwiz', which referred to a large body of water. 'wall' entered old english from latin 'vallum', denoting a defensive rampart or fortification. the compound logically combines these elements to describe a man-made defensive structure specifically against the sea. its meaning has remained literal and concrete, evolving from general concepts of water and defense to the specific modern engineering term for a coastal protection barrier.
Analysis
Structure: sea (body of salt water) + wall (solid structure)
sea: from old english 'sǣ', of germanic origin; related to dutch 'zee' and german 'see'. functions as a noun root specifying location.
wall: from old english 'weall', from latin 'vallum' meaning 'rampart'. functions as a noun root specifying the object.
Examples
the old seawall was reinforced with concrete to withstand stronger storm surges.
they walked along the top of the seawall, watching the waves crash below.
the city's investment in a new seawall proved crucial during the hurricane.