Is an interesting English idiom.
Let’s start by looking at the word „bark“.
đłBark can mean the outside of a tree, more specifically, the tough, brown, material that covers trees.
đłBark is also the sound that a dog makes.
đł“Barking up the wrong tree“ however, does not refer to the rough, brown, tree covering, it refers to the fact that dogs like to chase some animals, among them squirrels.
Learn more about this interesting Business English idiom here: https://www.englisch-nach-mass.com/idiom-barking-up-wrong-tree/