Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems

Abstract Languages of diverse structures and different families tend to share common patterns if they are spoken in geographic proximity. This convergence is often explained by horizontal diffusibility, which is typically ascribed to language contact. In such a scenario, speakers of two or more lang...

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Main Authors: Marc Allassonnière-Tang, Olof Lundgren, Maja Robbers, Sandra Cronhamn, Filip Larsson, One-Soon Her, Harald Hammarström, Gerd Carling
Format: Article
Language:English
Published: Springer Nature 2021-12-01
Series:Humanities & Social Sciences Communications
Online Access:https://doi.org/10.1057/s41599-021-01003-5
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author Marc Allassonnière-Tang
Olof Lundgren
Maja Robbers
Sandra Cronhamn
Filip Larsson
One-Soon Her
Harald Hammarström
Gerd Carling
author_facet Marc Allassonnière-Tang
Olof Lundgren
Maja Robbers
Sandra Cronhamn
Filip Larsson
One-Soon Her
Harald Hammarström
Gerd Carling
author_sort Marc Allassonnière-Tang
collection DOAJ
description Abstract Languages of diverse structures and different families tend to share common patterns if they are spoken in geographic proximity. This convergence is often explained by horizontal diffusibility, which is typically ascribed to language contact. In such a scenario, speakers of two or more languages interact and influence each other’s languages, and in this interaction, more grammaticalized features tend to be more resistant to diffusion compared to features of more lexical content. An alternative explanation is vertical heritability: languages in proximity often share genealogical descent. Here, we suggest that the geographic distribution of features globally can be explained by two major pathways, which are generally not distinguished within quantitative typological models: feature diffusion and language expansion. The first pathway corresponds to the contact scenario described above, while the second occurs when speakers of genetically related languages migrate. We take the worldwide distribution of nominal classification systems (grammatical gender, noun class, and classifier) as a case study to show that more grammaticalized systems, such as gender, and less grammaticalized systems, such as classifiers, are almost equally widespread, but the former spread more by language expansion historically, whereas the latter spread more by feature diffusion. Our results indicate that quantitative models measuring the areal diffusibility and stability of linguistic features are likely to be affected by language expansion that occurs by historical coincidence. We anticipate that our findings will support studies of language diversity in a more sophisticated way, with relevance to other parts of language, such as phonology.
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spelling doaj.art-87ec741eb415432698483f92c034eeb82022-12-21T18:11:47ZengSpringer NatureHumanities & Social Sciences Communications2662-99922021-12-01811610.1057/s41599-021-01003-5Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systemsMarc Allassonnière-Tang0Olof Lundgren1Maja Robbers2Sandra Cronhamn3Filip Larsson4One-Soon Her5Harald Hammarström6Gerd Carling7EA UMR 7206 - MNHN/ CNRS/ Université de ParisLund UniversityUppsala UniversityLund UniversityLund UniversityTunghai UniversityUppsala UniversityLund UniversityAbstract Languages of diverse structures and different families tend to share common patterns if they are spoken in geographic proximity. This convergence is often explained by horizontal diffusibility, which is typically ascribed to language contact. In such a scenario, speakers of two or more languages interact and influence each other’s languages, and in this interaction, more grammaticalized features tend to be more resistant to diffusion compared to features of more lexical content. An alternative explanation is vertical heritability: languages in proximity often share genealogical descent. Here, we suggest that the geographic distribution of features globally can be explained by two major pathways, which are generally not distinguished within quantitative typological models: feature diffusion and language expansion. The first pathway corresponds to the contact scenario described above, while the second occurs when speakers of genetically related languages migrate. We take the worldwide distribution of nominal classification systems (grammatical gender, noun class, and classifier) as a case study to show that more grammaticalized systems, such as gender, and less grammaticalized systems, such as classifiers, are almost equally widespread, but the former spread more by language expansion historically, whereas the latter spread more by feature diffusion. Our results indicate that quantitative models measuring the areal diffusibility and stability of linguistic features are likely to be affected by language expansion that occurs by historical coincidence. We anticipate that our findings will support studies of language diversity in a more sophisticated way, with relevance to other parts of language, such as phonology.https://doi.org/10.1057/s41599-021-01003-5
spellingShingle Marc Allassonnière-Tang
Olof Lundgren
Maja Robbers
Sandra Cronhamn
Filip Larsson
One-Soon Her
Harald Hammarström
Gerd Carling
Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
Humanities & Social Sciences Communications
title Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
title_full Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
title_fullStr Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
title_full_unstemmed Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
title_short Expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
title_sort expansion by migration and diffusion by contact is a source to the global diversity of linguistic nominal categorization systems
url https://doi.org/10.1057/s41599-021-01003-5
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