This paper offers a comparative reconstruction of the segmental phonology of Proto-Purus (PP), the common ancestor of Iñapari, Apurinã, and Yine. The reconstruction presented here differs in many ways from current proposals on PP phonology: the author argues that the contrast between r and l is a secondary development in Yine, that there is no need for reconstructing a vowel *I, and that most if not all instances of initial h in Yine reflect PP *h. A correspondence between morphophonologically defined classes of nouns in Yine and the accentual behavior of cognate nouns in Iñapari suggests a prosodic conditioning for the extensive occurrence of vowel syncope in the former. Shared innovations support the classification of the sparsely documented Kuniba and Kanamirim together with Yine but do not point to any compelling subgrouping hypothesis involving Yine, Apurinã, and Iñapari. An appendix lists all 206 cognate sets used in the reconstruction.

中文翻译：

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Proto-Purus (Arawakan) Segmental Phonology 的比较重建

本文对 Iñapari、Apurinã 和 Yine 的共同祖先 Proto-Purus (PP) 的分段音系进行了比较重建。这里提出的重建在很多方面与当前关于 PP 音系的建议不同：作者认为 r 和 l 之间的对比是 Yine 的二次发展，没有必要重建元音 *I，并且大多数（如果不是全部） Yine 中初始 h 的实例反映了 PP *h。Yine 中以形态语音学定义的名词类别与 Iñapari 中同源名词的重音行为之间的对应关系表明，前者中元音晕厥的广泛发生具有韵律条件。共享创新支持将记录稀疏的 Kuniba 和 Kanamirim 与 Yine 一起分类，但没有指出任何令人信服的子分组假设，包括 Yine、Apurinã 和 Iñapari。附录列出了重建中使用的所有 206 个同源集。