{
  "author": "ChronologiaOS editorial guides",
  "date": "2026-10-09",
  "department": "Writing & Languages",
  "department_id": "WRITING",
  "epistemic_label": "Source guide",
  "epistemic_status": "SOURCE_GUIDE",
  "period": "c. 4500\u20132500 BCE (model-dependent)",
  "place": "Reconstructed; no attested texts",
  "public_sources": [
    {
      "publisher": "Wiley-Blackwell",
      "title": "Benjamin W. Fortson IV, Indo-European Language and Culture: An Introduction, 2nd ed., Wiley-Blackwell, 2010.",
      "type": "Reference book",
      "url": "https://www.wiley.com/en-us/Indo-European+Language+and+Culture%3A+An+Introduction%2C+2nd+Edition-p-9781405188968"
    },
    {
      "publisher": "Oxford University Press",
      "title": "J. P. Mallory and D. Q. Adams, The Oxford Introduction to Proto-Indo-European and the Proto-Indo-European World, Oxford University Press, 2006.",
      "type": "Reference book",
      "url": "https://academic.oup.com/book/48521"
    },
    {
      "publisher": "Oxford University Press",
      "title": "Don Ringe, From Proto-Indo-European to Proto-Germanic, Oxford University Press, 2006.",
      "type": "Reference book",
      "url": "https://global.oup.com/academic/product/from-proto-indo-european-to-proto-germanic-9780198792581"
    }
  ],
  "publication_state": "PUBLIC",
  "read_time": "4 min read",
  "sections": [
    {
      "body": "Fortson's introduction to Indo-European language and culture explains the comparative method: regular sound correspondences across attested languages, from Sanskrit to Latin to Old English, are used to reconstruct a common ancestor. The research record models Proto-Indo-European at about 4500 to 2500 BCE and labels it a strong reconstruction whose internal chronology varies by model.",
      "heading": "Start with the method",
      "source": 0
    },
    {
      "body": "Mallory and Adams' Oxford introduction shows the reconstructed vocabulary and what it suggests about the people who used it, from kinship terms to animals and technology. A reconstructed word is a hypothesis with a defined support set, not an attested form.",
      "heading": "What a reconstruction contains",
      "source": 1
    },
    {
      "body": "Ringe's From Proto-Indo-European to Proto-Germanic traces one dialect's path to a daughter proto-language in detail. The research record stores that descent as an established family relationship with high confidence, separate from any claim about where or who the speakers were.",
      "heading": "One branch, worked through",
      "source": 2
    },
    {
      "body": "The record's rules say that genetics, archaeological cultures, and ethnicity are never converted into a language edge without independent linguistic evidence. Why is that separation necessary, and what goes wrong when it is skipped?",
      "heading": "A question to carry forward"
    }
  ],
  "short_title": "How do you know a language that left no texts?",
  "slug": "proto-indo-european-reconstructing-a-language-nobody-wrote",
  "summary": "Thousands of years before writing reached Europe, a language ancestral to Sanskrit, Latin, and English was spoken. Learn what a reconstruction is and what it is not.",
  "tags": [
    "Proto-Indo-European",
    "Comparative method",
    "Reconstruction",
    "Language families"
  ],
  "title": "Proto-Indo-European: reconstructing a language nobody wrote."
}