This paper studies the effect of ongoing contact on the Abui reduplication system. Abui, a Papuan indigenous minority language of eastern Indonesia, has been in contact with the regional lingua franca, Alor Malay (Austronesian), for around 50–60 years. Throughout this period, contact with Alor Malay has affected different age groups in different ways across various levels of grammar. Here we compare Abui reduplication across four age groups: (pre)adolescents, young adults, adults, and elders, and show how the function and distribution of reduplication in the Abui spoken by younger speakers is affected by a combination of morphological PAT borrowing and lexical borrowing from Alor Malay. The changing patterns are first applied to the domain in which the two languages overlap: existing Abui verb reduplications become more Alor Malay-like with respect to their function, form, and productivity. The borrowing of an additional function of reduplication is analyzed as a type of complexification in Abui, while at the same time, Abui reduplication itself is demonstrated to also show simplification in terms of form. We argue that this change is induced by decades of stable bilingualism, and is further enhanced by the fact that reduplication is a universal morphological operation and can emerge spontaneously in language contact situations. Thus, the emerging trends reported here are explained by both borrowing from Alor Malay as well as incomplete acquisition of Abui.

本文研究了持续联系对Abui复制系统的影响。Abui是印度尼西亚东部的巴布亚土著少数民族语言，已经与该地区的通用语言保持联系，亚罗·马来人（南洋语），大约50至60年。在此期间，与阿罗·马来人的接触以不同的方式影响了各个年龄段的语法。在这里，我们比较了四个年龄段（青少年），年轻人，成人和老年人的Abui重复，并显示了年轻说话者说的Abui中重复的功能和分布如何受到形态PAT借用和词汇结合的影响从亚罗·马来人那里借来的。不断变化的模式首先应用于两种语言重叠的领域：现有的Abui动词重复在功能，形式和生产率方面都变得更像是Alor Malay。在Abui中，借用了附加的重复功能作为复杂化的一种类型，而与此同时，事实证明，Abui重覆本身也显示出形式上的简化。我们认为，这种变化是由数十年的稳定的双语制引起的，并且由于重复是一种普遍的形态操作并且在语言接触情况下可以自发出现的事实而进一步增强了这种变化。因此，这里报道的新兴趋势可以通过向阿罗·马来人借用以及对Abui的不完全收购来解释。