This is the 18936th most frequent Korean word.
쌓이고
"쌓이고" means "piled up" or "accumulated."
Here, '쌓이고' conveys the idea of snow accumulating or gathering on the ground.
눈이 쌓이고 있어요.
Snow is piling up.
In this sentence, '쌓이고' is used metaphorically to describe the accumulation of experience and its effect on skills.
경험이 쌓이고 능력이 늘었어요.
Experience builds up, and skills have improved.
This context uses '쌓이고' to describe the physical accumulation of dust over time on a surface.