What is Post Structural linguistics/?
Basically what the first guy said. Literally it can mean anything said after the first language was spoken. Post (after) structural (developed system) linguistics (syntax of language.) So post structural linguistics basically means a language developed after, i.e. post, some other structure. As to who coined it and its historical significance is anybody’s guess and in my opinion not worth considering. Is this a real question or did you just say something off the top of your head?