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the claim
The birth and death dates of historical languages are estimated using glottochronology and textual records
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
4 sources for · 0 against

Historical language origins and divergence dates are regularly estimated using glottochronology, computational phylogenetics, and historical calibration points derived from textual records.

Evidence for · 4
The Basis of Glottochronology
1953 · cited by 78
Paper 0 establishes the foundational linguistic dating system of glottochronology based on morpheme decay rates.
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The analysis

The claim states that historical language birth and death dates (or divergence/origins) are estimated using glottochronology and textual/historical records. Papers 0, 1, 5, and 10 all directly support aspects of this by discussing glottochronology, phylogenetic/lexical dating methods, and the crucial role of historical and epigraphic calibrations. There is no contradictory evidence in the provided literature.

More for · 3
How Accurate and Robust Are the Phylogenetic Estimates of Austronesian Language Relationships?
2010 · cited by 46
Paper 1 demonstrates how computational phylogenetic methods and lexical data are used to estimate the divergence ages of language families.
Best practices in justifying calibrations for dating language families
2019 · cited by 19
Paper 5 discusses modern Bayesian statistical alternatives to traditional glottochronology and emphasizes the importance of historical calibrations (including textual records and loanwords) for language dating.
Phonotactic diversity predicts the time depth of the world's language families.
2013 · cited by 5
Paper 10 describes automated methods for dating language families using historical, epigraphic, and archaeological calibration points.
The paper trail · every fact has a biography
first checked04 Aug 2026
judged → SUPPORTED · 8704 Aug 2026
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