This is the 2682nd most frequent Catalan word.
acumulen
"Acumulen" means "they accumulate" or "they gather."
In this sentence, 'acumulen' is used to indicate the accumulation or gathering of clouds in the sky.
Els núvols grisos s'acumulen al cel.
Gray clouds are gathering in the sky.
Here, 'acumulen' demonstrates the idea of objects building up or piling up over time in a specified location.
Els llibres s'acumulen a les prestatgeries, creant un espai desordenat.
Books accumulate on the shelves, creating a cluttered space.
In this usage, 'acumulen' metaphorically represents the buildup or gathering of intangible concepts, such as experiences.