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Why is it impossible to identify an existing language as the original language of all humanity?
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Philosophy of language
An Austrian stamp depicting Ludwig Wittgenstein.
Identifying an original language of all humanity is currently impossible due to the limitations of historical linguistics and the nature of linguistic change. While scholars have debated the theories of monogenesis (descent from a single ancestor) and polygenesis (independent emergence), scientific evidence remains inconclusive for several reasons.1
- Lack of Records: Written records only span a tiny fraction of the time human language has existed. Over most of the globe, such records are nonexistent, and there are few linguistic "fossils" comparable to those in geology to track development over tens of thousands of years.1
- Cumulative Change: Languages undergo constant, slight deviations as they are transmitted between generations. Over time, these changes accumulate, eventually leading to dialectal differentiation and the emergence of distinct languages, which obscures their common origins.1
- Methodological Limits: While linguists can reconstruct "parent" languages like Proto-Indo-European by comparing related languages, these reconstructions only reach back a few thousand years. Any attempt to reconstruct a single original human language remains beyond the reach of current scientific techniques.1
Ultimately, while language is a fundamental human faculty, its deep prehistory remains largely inaccessible to empirical analysis.12