Idek what that smell is??

I(17f) have a roommate who smells very bad it’s not like must or something it’s very pungent and kind of a fishy smell for lack of better words , this is not meant to be insulting it’s just a description. Personally I’m not the cleanest roommate meaning I just suck at putting my laundry up, but I do not leave food around, wet clothes, etc. I just have a chaotic life. I also suffer from depression so I understand that it can be rather hard to take care of yourself fully, but we have already had this talk. But idk she showers at least she says she does but it smells so bad to the point it is smelling up the room. I maybe thought it was our AC our dorm is pretty old but whenever she was gone it didn’t smell. When I returned to campus from our last break the room smelled like nothing. I have anxiety and have already had this discussion with her about the fact that her bo is smelling up the entire room. What do I do now? She is super sweet and idk what is the issue but it has go to end now.