This is the 10833rd most frequent Korean word.
그루세의
The word "그루세의" does not appear to be a standard Korean term. It may be a typo or a non-standard/rare usage.
The word '그루세의' here indicates possession, specifically referring to something that belongs to '그루세', which is modified as a possessive adjective here.
그루세의 꽃이 활짝 피었어요.
The flowers of the Gruse have bloomed.
In this sentence, '그루세의' again denotes possession, describing the garden's owner.
그루세의 정원이 참 아름답군요.
The garden of Gruse is truly beautiful.
Here, '그루세의' specifies the decision attributed to '그루세', indicating ownership or association to the decision.