seagrass
UK[ˈsiːɡrɑːs]US[ˈsiːɡræs]
n
A grass-like plant that grows in the sea, forming underwater meadows.
Morpheme Breakdown
sea
grass
sea
body of salt water
grass
herbaceous plant
Etymology
The word 'seagrass' is a transparent Modern English compound, formed by directly combining two native Old English roots. 'Sea' originates from Proto-Germanic saiwiz, referring to a large inland body of water or the sea. 'Grass' derives from Proto-Germanic grasan, related to the act of growing. The compound logically describes marine flowering plants which, due to convergent evolution, physically resemble the grasses of terrestrial meadows. This literal naming reflects the observable characteristics of the plant rather than a classical or technical formation, making its meaning immediately accessible.
Analysis
Structure: sea (body of salt water) + grass (herbaceous plant)
sea: From Old English 'sǣ', meaning a large body of salt water. Its functional role is to specify the environment.
grass: From Old English 'græs', meaning herbage for grazing, green plant blades. Its functional role is to denote the type of plant.
Examples
Extensive seagrass beds provide crucial habitat for many marine species.
The decline in seagrass coverage is an indicator of poor water quality.
Dugongs are marine mammals that feed primarily on seagrass.