The Sprachbund found in the Mziddyun--the great, pathetic desert in the middle of Íar--is the result of my attempts at making triconsonantal languages. In real life, this is the calling card of the Semitic languages, a language family of which I am quite fond (I took several semesters' worth of Arabic at OU as I wanted to learn what the names of stars meant, thanks to the preservation and advancement of astronomy afforded to us by medieval Islamic science). I, however, wanted to take it one step further and thought it would be an interesting exercise to make an areal phenomenon out of it.
In the middle of Íar is a large, cool, central desert called the Mziddyun. The Mziddyun is remarkable for the convergence of multiple languages, of wildly differing backgrounds, into a large region where areal influence has affected the development of the languages such that they all feature a common typological and morphological element: Triconsonantal roots.
There are several different languages and families thereof: Chief among them, there are the Wõkratãk languages, classifiable into three groups (North, South, and East) plus the urban dialect spoken in Ḫántisúr; the Raholgic languages, the second-most-widely-spoken family in the region; Nyudyic, a less populous but nevertheless present linguistic group; and a pair of isolates, Atkosti and Sengin.