Here's why:
* Lack of Written Records: The earliest languages predate written records by thousands of years. We don't have concrete evidence of what those languages sounded like.
* Language Evolution: Languages are constantly evolving. What we might consider a single "original" language likely split and diversified over time into numerous branches and dialects.
* The Concept of "First": The idea of a single "first" language is likely a simplification. Language development probably occurred gradually in multiple locations, with various groups developing their own communication systems.
While we can't pinpoint the "first" language, linguists have made significant progress in understanding language families and tracing their connections. Some of the earliest reconstructed languages include:
* Proto-Indo-European: The ancestor of many European and Indian languages.
* Proto-Sino-Tibetan: The ancestor of Chinese and other languages spoken in East and Southeast Asia.
* Proto-Afro-Asiatic: The ancestor of languages like Arabic, Hebrew, and Berber.
It's important to remember that these are reconstructions, not actual recorded languages. The study of language origins is a complex and ongoing field.