This is the 929th most frequent Korean word.
적
"적" in Korean can mean "enemy," "opponent," or refer to a suffix indicating experience or a characteristic, depending on context.
The word '적' here is used to mean 'time or period', referring to a specific time in one's past.
나는 어릴 적에 강아지를 키웠어요.
I raised a puppy when I was young.
The suffix '적' is used here to form an adjective that describes a property or characteristic related to 'art'.
이 영화는 예술적인 매력이 있어요.
This movie has an artistic charm.
In this sentence, '적' forms an adjective indicating a quality related to history, describing the place visited.