Polarity in a four-level tone language: tone features in Tenyidie

This paper reports a new kind of tone polarity, where the phenomenon is seen in language with four level tones, Tenyidie (also known as Angami). I show that polarity features i.e. at subtonal level. The data also provide evidence tones themselves can be broken down into smaller features. Furthermore, demonstrate pattern observed an epiphenomenon, reflex Obligatory Contour Principle, not phonological process its own right. this help type tonal representation. Theoretical discussions have so far been almost entirely restricted to African systems, and languages just two tones. brings discussion Tibeto-Burman