A Sprachbund (in German, plural Sprachbünde [ˈʃpraːxˌbʏndə]), from the German word for “language union” (lit. “language-bunch/truss”), also known as a linguistic area, convergence area, or diffusion area, is a group of languages that have become similar in some way because of geographical proximity and language contact. They may be genetically unrelated, or only distantly related. Where genetic affiliations are unclear,… (More on Sprachbund)