It is believed that a mother language developed somewhere in?

It's not possible to definitively say where a "mother language" developed. Linguists generally agree that all languages descended from a single ancestral language, but the location and time of its existence are unknown and debated.

Here's why:

* No Written Records: The hypothetical ancestral language predates written records by thousands of years. We have no direct evidence of what it sounded like, how it was structured, or where it was spoken.

* Language Change: Languages constantly evolve, so tracing them back to a single source is incredibly complex. Over millennia, languages diverge, making it difficult to reconstruct the original language accurately.

* Different Theories: There are multiple theories about the location of the ancestral language, including:

* The Out-of-Africa Hypothesis: This theory suggests the ancestral language originated in Africa, where early humans evolved.

* The Indo-European Hypothesis: This theory focuses on the Indo-European language family and suggests its origins were in the steppes of Eurasia.

The Importance of Research: While we can't pinpoint the exact location of the "mother language," ongoing research in linguistics, genetics, and archaeology continues to shed light on the history of human language and the evolution of languages over time.