crescent
UK[ˈkrɛs(ə)nt]US[ˈkrɛsənt]
n
the curved shape that is wider in the middle and pointed at the ends, like the moon in its first or last quarter.
n
something shaped like a crescent, such as a curved street or a curved pastry.
adj
having the shape of a crescent.
Etymology
the word 'crescent' entered english in the late 14th century from the old french 'cressant', meaning 'the waxing moon'. this, in turn, derives from the latin present participle 'crescens' (genitive 'crescentis'), from the verb 'crescere', meaning 'to arise, grow, increase'. the logic is beautifully direct: the moon in its first quarter is literally 'growing' in light. the term was later applied to any object resembling this shape. the latin 'crescere' itself can be traced back to the proto-indo-european root ker-, meaning 'to grow', which also gave rise to words like 'create' and 'increase'. thus, the journey from the ancient concept of growth to the modern abstract shape is a clear metaphorical extension based on the moon's cyclical phases.
Analysis
the word 'crescent' functions as a simplex unit in modern english. its core meaning is derived from the latin root 'crescere' (to grow, increase), but the morpheme 'cresc-' is not a standalone, productive morpheme in english. the '-ent' ending is a latin present participle suffix, but the word is borrowed as a complete unit.
Examples
a thin crescent moon hung in the twilight sky.
the houses were arranged in a crescent around the park.
she enjoyed a flaky, buttery crescent with her coffee.