This is the 13428th most frequent Russian word.
накопление
Accumulation or gathering of something.
In this sentence, 'накопление' refers to the process of gathering and storing knowledge gradually.
Процесс накопления знаний требует времени.
The process of accumulating knowledge requires time.
Here, 'накопление' describes the act of gradually increasing physical strength or stamina.
Накопление физических сил важно для спортсменов.
Accumulation of physical strength is important for athletes.
In this sentence, 'накопление' is used to indicate the action of saving or gathering money over time for a specific purpose.