The aim of this work is to provide a detailed grammatical description of the Pau-naka language (ISO 639-3: pnk, Glottocode: paun1241), a critically endangered(cf. Krauss 2007: 6) Southern Arawakan language spoken in the Chiquitania, aregion in the lowlands of Eastern Bolivia, see Figure 1.1.The data which forms the basis for this analysis was collected by me duringfour fieldwork trips (2011, 20…