The segmental inflection of Bumthang verbs: exploring the boundary between phonology and morphophonology

This paper presents a synoptic account of verbal suffixation in the Ura dialect Bumthang, language central Bhutan. Examining allomorphy shows persistence exceptions to historical sound changes contemporary allophonic and allomorphic processes, reveals striking contrasts with culturally dominant Tibetic languages area. We examine ways which some is motivated by patterns seen phonology more widely, while reflect purely (arbitrary) morphophonological processes.