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Proto-languages are dated using methods such as lexicostatistics and comparative reconstruction.
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Peer-reviewed literature and reference texts demonstrate that proto-languages are studied and dated using linguistic techniques such as comparative reconstruction and lexicostatistical calculations.

Evidence for · 7
2023 · cited by 12
Studying language evolution brings a crucial perspective to bear on questions of human prehistory. As the most linguistically diverse region on earth, East and Southeast Asia have witnessed extensive sociocultural and ethnic contacts among different language communities. Especially, the Kra-Dai language family exhibits tremendous socio-cultural importance in these regions. Due to limited historical accounts, however, there are several controversies on their linguistic relatedness, ambiguities regarding the divergence time, and uncertainties on the dispersal patterns. To address these issues, here we apply Bayesian phylogenetic methods to analyze the largest lexical dataset containing 646 cognate sets compiled for 100 Kra-Dai languages. Our dated phylogenetic tree showed their initial divergence occurring approximately 4000 years BP. Phylogeographic results supported the early Kra-Dai language dispersal from the Guangxi-Guangdong area of South China towards Mainland Southeast Asia. Coupled with genetic, archaeological, paleoecologic, and paleoclimatic data, we demonstrated that the Kra-Dai language diversification could have coincided with their demic diffusion and agricultural spread shaped by the global climate change in the late Holocene. The interdisciplinary alignments shed light on reconstructing the prehistory of Kra-Dai languages and provide an indispensable piece of the puzzle for further studying prehistoric human activities in East and Southeast Asia.
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More for · 6
2021 · cited by 3
In this paper, we present the results of our analysis of the 110-item basic wordlists for four reconstructed and one ancient languages, the linguistic ancestors of five language families which are hypothesized to constitute the Altaic (a.k.a. Transeurasian) macrofamily: Proto-Turkic, Proto-Mongolic, Proto-Tungusic, Middle Korean and Proto-Japonic wordlists. Protolanguage wordlists were reconstructed according to strict criteria of semantic reconstruction, based on accurate semantic glossing of forms in daughter languages. Each involved form was encoded into a bi-consonantal <i>CC</i>-shaped sequence using the consonant class method, after which a recently developed weighted permutation test was applied. In a typical situation, our algorithm makes a small number of type 1 errors (false positive), but the number of type 2 errors (false negative) can be substantial. Our main finding is that pairs between the Nuclear Altaic taxa - Turkic, Mongolic and Tungusic - as well as the Turkic-Japonic and Tungusic-Japonic pairs demonstrate significant <i>p</i>-values. In some cases, this can be attributed to either ancient contacts or genealogical relationships, but at least for the Turkic-Japonic pair, a contact scenario is unlikely owing to geographical remoteness.
2023 · cited by 3
A language is related to other languages because these languages are similar to one another. The kinship between Javanese and Sasak languages can be seen in lexical and phonemic correspondences. This study aims to analyze the kinship relationship based on numerical calculations between the Javanese and Sasak languages and the lexicostatistical order of the two languages. This research uses qualitative and quantitative methods. Data were obtained using the literature study method, corresponding to Morris Swades' 200 basic vocabulary using direct note-taking techniques. Data analysis used the lexicostatistics method. The result of the research is that after lexicostatistical calculations have been carried out, the percentage of kinship between Javanese and Sasak languages is 23.8%. Based on the error analysis, it is known that Javanese and Sasak were a single language around 1553-1317 years ago. The Javanese and Sasak languages are estimated to have started to separate from Proto around 469 – 705 AD (calculated by 2022).
2016 · cited by 2
Abstract “Altaic” is a common term applied by linguists to a number of language families, spread across Central Asia and the Far East and sharing a large, most likely non-coincidental, number of structural and morphemic similarities. At the onset of Altaic studies, these similarities were ascribed to the one-time existence of an ancestral language—“Proto-Altaic,” from which all these families are descended; circumstantial evidence and glottochronological calculations tentatively date this language to some time around the 6th–7th millennium bc, and suggest Southern Siberia or adjacent territories (hence the name “Altaic”) as the original homeland of its speakers. However, since the mid-20th century the dominant view in historical linguistics has shifted to that of an “Altaic Sprachbund” (diffusion area), implying that the families in question have not sprung from a common source, but rather have acquired their similarities over a long period of mutual linguistic contact. The bulk of “Altaic” has traditionally included such uncontroversial families as Turkic, Mongolic, and Manchu-Tungusic; additionally, Japanese (Japonic) and Korean are also frequently seen as potential members of the larger Altaic family (the entire five branches are sometimes referred to as “Macro-Altaic”). The debate over the nature of the relationship between the various units that constitute “Altaic,” sometimes referred to as “the Altaic controversy,” has been one of the most hotly debated topics in 20th-century historical linguistics and a major focal point of studies dealing with the prehistory of Central and East Eurasia. Supporters of “Proto-Altaic,” commonly known as “(pro-)Altaicists,” claim that only divergence from an original common ancestor can account for the observed regular phonetic correspondences and other structural similarities, whereas “anti-Altaicists,” without denying the existence of such similarities, insist that they do not belong to the “core” layers of the respective languages and are therefore better explained as results of lexical borrowing and other forms of areal linguistic contact. As a rule, “pro-Altaicists” claim that “Proto-Altaic” is as reconstructible by means of the classic comparative method as any uncontroversial linguistic family; in support of this view, they have produced several attempts to assemble large bodies of etymological evidence for the hypothesis, backed by systems of regular phonetic correspondences between compared languages. All of these, however, have been heavily criticized by “anti-Altaicists” for lack of methodological rigor, implausibility of proposed phonetic and/or semantic changes, and confusion of recent borrowings with items allegedly inherited from a common ancestor. Despite the validity of many of these objections, it remains unclear whether they are sufficient to completely discredit the hypothesis of a genetic connection between the various branches of “Altaic,” which continues to be actively supported by a small, but stable scholarly minority.
2013 · cited by 0
The ASJP (Automated Similarity Judgment Program) described an automated, lexical similarity-based method for dating the world’s language groups using 52 archaeological, epigraphic and historical calibration date points. The present paper describes a new automated dating method, based on phonotactic diversity. Unlike ASJP, our method does not require any information on the internal classification of a language group. Also, the method can use all the available word lists for a language and its dialects eschewing the debate on ‘language’ vs. ‘dialect’. We further combine these dates and provide a
cited by 0
knowledge of the language is derived by reconstruction from later languages using linguistic techniques such as the comparative method and the method of internal The Indo-European migrations are hypothesized migrations of peoples who spoke Proto-Indo-European (PIE) and the derived Indo-European languages, which took place from around 4000 to 1000 BCE, explaining how these related languages came to be spoken across a large area of Eurasia, spanning from the Indian subcontinent and Iranian plateau to Atlantic Europe. While these early languages and their spe The… Relationships to other language families, including the Uralic languages, have been proposed but remain controversial. There is no written evidence of Proto-Indo-European, so all knowledge of the language is derived by reconstruction from later languages using linguistic techniques such as the comparative method and the method of internal reconstruction. Most linguists recognize there is a limit to linguistic reconstruction, and that reconstructing an ancestral language to Proto-Indo-European might not be possible. The Indo-Hittite hypothesis postulates a common predecessor which both the Anatolian languages and the other Indo-European languages came from, called Proto-Indo-Hittite. Although PIE logically had predecessors, the Indo-Hittite hypothesis is not widely accepted, and there is little to suggest that it is possible to reconstruct a Proto-Indo-Hittite stage that differs substantially from what is already reconstructed for PIE. Frederik Kortlandt postulates a shared common ancestor of Indo-European and Uralic, Proto-Indo-Uralic, as a possible pre-PIE. According to Kortlandt, "Indo-European is a branch of Indo-Uralic which was radically transformed under the influence of a North Caucasian substratum when its speakers moved from the area north of the Caspian Sea to the area north of the Black Sea."
cited by 0
linguist Otto Dempwolff. It included a reconstruction of the Proto-Austronesian lexicon. The term Austronesian was coined (as German austronesisch) by Wilhelm The Austronesian languages ( AW-strə-NEE-zhən) are a language family widely spoken throughout Maritime Southeast Asia, parts of Mainland Southeast Asia, Madagascar, the islands of the Pacific Ocean and Taiwan (by Taiwanese indigenous peoples). They are spoken by approximately 386 million people (4.4% of the world population). This makes it the fifth-largest language family by number of speakers. M The Austronesian languages ( AW-strə-NEE-zhən) are a language family widely spoken throughout Maritime Southeast Asia, parts of Mainland Southeast Asia, Madagascar, the islands of the Pacific Ocean and Taiwan (by Taiwanese indigenous peoples). They are spoken by approximately 386 million people (4.4% of the world population). This makes it the fifth-largest language family by number of speakers. Major Austronesian languages include Malay (one variant standardized as Indonesian), Javanese, Sundanese, Tagalog (and its standardized form Filipino), Malagasy and Cebuano. According to some estimates, the family contains 1,257 languages, which is the second most of any language family. In 1706, the Dutch scholar Adriaan Reland first observed similarities between the languages spoken in the South East Asia Archipelago and by peoples on islands in the Pacific Ocean. In…
Everything we examined (7) — 6 independent sources
This check searched the claim as stated. It did not run a separate search for evidence against it.
  1. Altaic Languagesreferenceno side taken
  2. Phonotactic Diversity Predicts the Time Depth of the World’s Language Familiespeer-reviewedno side taken
  3. Phylogenetic evidence reveals early Kra-Dai divergence and dispersal in the late Holocene.peer-reviewedno side taken
  4. Indo-European migrationsreferencesame source L7no side taken
  5. Permutation test applied to lexical reconstructions partially supports the Altaic linguistic macrofamily.peer-reviewedno side taken
  6. Austronesian languagesreferencesame source L7no side taken
  7. Lexicostatistics of Javanese and Sasak Languages: Comparative Historical Linguistic Studiespeer-reviewedno side taken
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