This is the 2232nd most frequent Korean word.
채로
"채로" means "as it is" or "while still in its state."
In this sentence, '채로' is used to indicate the state or condition in which an action is performed. Here, it expresses that the door was in an 'open state' during sleeping.
문을 열어둔 채로 잠을 잤다.
I slept with the door left open.
Here, '채로' is used to describe the condition of wearing shoes at the moment of entering the house, highlighting the unchanged state.
신발을 신은 채로 집에 들어왔다.
I entered the house while still wearing shoes.
In this instance, '채로' conveys that the clothes remained on the speaker while they performed the action of entering the water.