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Wave model

This article is about the concept of wave in historical linguistics. For other uses, see Wave model (disambiguation).
Diagram based on the Wave model originally presented by Johannes Schmidt. In this Euler diagram, the circles are to be regarded as diachronic; that is, they increase in diameter over time, like the concentric waves on a water surface struck by a stone. The background represents a dialect continuum of no language boundaries. The circles are stable dialects, characters or bundles of characters that have been innovated and have become more stable over an originally small portion of the continuum for socio-political reasons. These circles spread from their small centers of maximum effectiveness like waves, becoming less effective[clarification needed] and then dissipating at maximum time and distance from the center. Languages are to be regarded as impermanent sets of speech habits that result from and prevail in the intersections of the circles. The most conservative language is represented by the area not covered by the circles.

In historical linguistics, the wave model or wave theory (German: Wellentheorie) is a model of language change in which a new language feature (innovation) or a new combination of language features spreads from its region of origin, being adopted by a gradually expanding cluster of dialects. Each innovation starts at a certain place, and spreads from speaker to speaker, from dialect to dialect, in the same fashion as waves on the water.[1][2]

The theory was intended as a substitute for the tree model, which did not seem to be able to explain the existence of some features, especially in the Germanic languages, by descent from a proto-language. At its most ambitious, it is a wholesale replacement for the tree model of languages.[2] During the 20th century, the wave model had little acceptance as a model for language change overall, except for certain cases, such as the study of dialect continua and areal phenomena; it has recently gained more popularity among historical linguists, due to the shortcomings of the tree model.[2][3]

  1. ^ Cite error: The named reference Wolfram was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference francois was invoked but never defined (see the help page).
  3. ^ Heggarty, Paul; Maguire, Warren; McMahon, April (2010). "Splits or waves? Trees or webs? How divergence measures and network analysis can unravel language histories". Philosophical Transactions of the Royal Society B. 365 (1559): 3829–3843. doi:10.1098/rstb.2010.0099. PMC 2981917. PMID 21041208..

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نموذج الموجة (لغويات) Arabic Wellentheorie (Linguistik) German Laineteooria (lingvistika) ET Théorie des vagues French Tonnteoiric GA Teoría das ondas GL תורת הגלים (בלשנות) HE Ալիքների տեսություն (լեզվաբանություն) HY Teori gelombang ID Teoria delle onde Italian

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