This is the 2704th most frequent Korean word.
쌓은
"쌓은" means "piled up" or "accumulated."
In this sentence, '쌓은' is used to denote 'accumulated', referring to the expertise he has built over time.
그는 현장에서 오랜 경험을 쌓은 전문가입니다.
He is an expert who has accumulated long experience in the field.
Here, '쌓은' is used to describe the 'piled up' snow, indicating the state of snow heaped in the city.
도시에 쌓은 눈이 빠르게 녹고 있습니다.
The snow piled up in the city is quickly melting.
'쌓은' in this context highlights the idea of 'accumulated', signifying the knowledge collected over time.