Tolkien conceived a family tree of Elvish languages, all descending from a common ancestor called Primitive Quendian.He worked extensively on how the languages diverged from Primitive Quendian over time, in phonology and grammar, in imitation of the development of real language families. In addition to Quenya and Sindarin, he sketched several other Elvish languages in far …

The languages are Kaman (Midzu/Miju) and Zakhring (Meyor). Although Zakhring appears to be Sino-Tibetan, Kaman may be more divergent. Blench and Post (2011) believe that Zakhring is an East Bodish language that has been influenced by Midzu or other divergent languages of the region, whereas Kaman may be a language isolate.