This is the 9822nd most frequent Korean word.
고흐다
"고흐다" means "to strain" or "to filter" in English, typically referring to removing solid bits from a liquid.
고흐다 is used as "pick" or "select" in the context of choosing an item, in this case, a color for a painting.
그림을 보기 좋은 색으로 고흐다.
Pick an appealing color for the painting.
고흐다 is used here as "select" in the context of tools for a task, emphasizing thoughtful choice.
사용할 도구를 고흐기 전에 계획을 세우세요.
Plan your work before selecting the tools to use.
Here, 고흐다 conveys the action of deciding or choosing a subject, often showing subjective reaction.