This dissertation is a description of phonetics, phonology, and word and clause-level morphosyntax of Dzongkha (dzo), a Southern Tibetic language within the Central Bodish branch of Tibeto-Burman. Dzongkha is spoken as a native language by about 160,000 speakers in Bhutan. The dissertation draws primarily on conversation data, and makes use of elicited and monologic data as noted in specific examples. The dissertation begins with an overview of the language situation of Dzongkha and its speech community, then turns to an overview of the phonetics and phonology of Dzongkha, followed by chapters on select aspects of morphosyntax. Dzongkha has incipient tonal characteristics with contrastive pitch only on words with certain onset series. Pitch...