This is the 9088th most frequent Korean word.
거듭할수록
"The more it is repeated" or "as it is repeated."
거듭할수록 is used here to express the concept that with increasing repetition, improvement is achieved.
거듭할수록 실력이 늘어난다.
The more you repeat, the more your skill improves.
거듭할수록 is conveying the idea that with increasing repetition, positive outcomes like happy memories grow.
거듭할수록 행복한 기억들이 쌓여간다.
The more it is repeated, the more happy memories accumulate.
거듭할수록 is used to demonstrate that repetition helps diminish difficulties over time.