Josh, that is absolutely fascinating historical perspective and excellent observations on plausible, if not compelling, scenarios in the diffusion of these languages. You always present remarkably valuable observations on these topics and Im really glad you came in on this.

While there has clearly been a degree of digression in the scope of this thread which indeed concerns etymology regarding weapon terms, in this case the katar, it does well illustrate just how complex and diverse languages as well as specific terms developed.