Fricative Debuccalization and Primary Split in Terena (Arawak) Historical Phonology

Abstract

This paper discusses a set of morphophonemic alternations in Terena, an Arawak language of Brazil. I propose a number of non-alternating Pre-Terena forms and a sound change in a diachronic account of these alternations. Using internal, comparative, and philological (early documentary) evidence, I trace the development of these alternations from its precursors in allophonic variation to its partial morphologization. The proposed change debuccalized the voiceless allophones of the Pre-Terena coronal fricatives, changing them to glottal fricatives while leaving unaffected their voiced allophones, whose occurrence is restricted to nasal contexts related to the exponence of 1psg possessors and subjects. I suggest that the partial merger between the Pre-Terena oral fricatives and h took place gradually rather than abruptly and that this accounts for the existence of a contrast between two glottals, h and hʲ, which existed as separate phonemes but that nowadays appear fully merged as h.