Argument indexing in Kamang

Kamang (Alor-Pantar, non-Austronesian/Papuan) has a typologically unusual system of argument indexing, in which the S or P argument can be indexed on the verb by one of several prefix paradigms. Some verbs always show indexing, while others exhibit differential argument indexing (DAI). In DAI, the use of a particular prefix paradigm or zero marking depends on different (combinations of) factors. We investigate the effects of argument role (S, P), independent argument realisation, the animacy and topicality of the indexed argument, and lexical stipulation. We perform a quantitative analysis of these factors for the first time in Kamang discourse, drawing on an annotated corpus of spoken Kamang. A complex picture emerges in which Kamang argument indexing is best viewed not as a single system, but as multiple subsystems for which different factors are relevant in a given context, and which do not operate on all verbs or all indexing strategies equally.