This is the 5862nd most frequent Japanese word.
ぶら下がっ
"ぶら下がっ" means "hung" or "suspended."
The verb "ぶら下がる" means "to hang," here describing the monkey's action of hanging from the tree branch.
木の枝にぶら下がっている猿が見える。
I can see a monkey hanging from the tree branch.
The verb "ぶら下がる" is used to indicate contemplating the physical action of hanging from a structure.
彼は台からぶら下がる方法を考えている。
He is thinking about a way to hang from the platform.
Here, "ぶら下がる" conveys the concept of hanging, emphasizing the risk involved in such an action.