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Item type:Publication, Cognate reflex prediction as hypothesis test for a genealogical relation between the Panoan and Takanan language families(Nature Research, 2024-12-01)We present a novel approach for testing genealogical relations between language families. Our method, which has previously only been applied to closely related languages, makes predictions for cognate reflexes based on the regularity of proposed sound correspondences between language families that are hypothesized to be related. We test the hypothesis about a genealogical relation between Panoan and Takanan, two linguistic families of the Amazon. The workflow contributes to new ideas of hypothesis testing in historical linguistics and can likely be transferred to other language families. We predict 206 cognate reflexes from Shipibo-Konibo, a Panoan language, from independently proposed Proto-Takanan reconstructions and test our predictions in elicitation sessions with speakers of the language. We found 21 correct predictions from the core-set, as well as another 20 correct predictions from the extended set of predictions. In addition to confirming the previously established sound correspondence patterns, we find further evidence for additional patterns that suggest the reconstruction of three new phonemes for Proto-Pano-Takanan. Protocol registration: The stage 1 protocol for this Registered Report was accepted in principle on 06/05/24. The protocol, as accepted by the journal, can be found at: https://doi.org/10.17605/OSF.IO/FGBM7. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, A Phylolinguistic Classification of the Quechua Language Family(2023-01-07)We present a computational phylogeny for the internal classification of the Quechua language family. Based on a concept list of 150 lexical items, we manually analyzed data from 39 contemporaneous Quechua varieties for cognacy and computed a family tree using Bayesian phylogenetic methods. The results provide further evidence for the classification of individual varieties and compares the results to the existing hypotheses for the evolution of the Quechua language family. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, The forgotten mid vowels(John Benjamins Publishing Company, 2026-07-10)This study re-examines the phonological inventory of Proto-Pano, challenging the prevailing view that it had only four oral vowels. Through a comparative analysis of 23 contemporary Pano languages/varieties, we reconstruct a Proto-Pano system with two additional mid vowels, proposing a six-vowel inventory. This finding diverges from all previous reconstructions, which overlooked historically significant distributional differences between mid vowels in Northern Pano languages, Kakataibo, and Kaxarari. We argue that Pano mid vowels exhibit both conservative and innovative traits, questioning the assumption that all Pano mid vowels are innovations. Our analysis highlights the role of merger in shaping Pano phonological diversity, supporting a six-vowel reconstruction as a more accurate reflection of the comparative data. This revised perspective underscores the importance of carefully analyzing sound correspondence patterns and offers new insights into the historical evolution and internal classification of the Pano language family. Additionally, it calls for a thorough revision of previous Proto-Pano reconstructions and opens promising avenues for future research on the Pano-Takana stock.