Semitic Languages Wikipedia

Proto-Semitic language - Wikipedia.

Proto-Semitic is the hypothetical reconstructed proto-language ancestral to the Semitic languages.There is no consensus regarding the location of the Proto-Semitic Urheimat; scholars hypothesize that it may have originated in the Levant, the Sahara, or the Horn of Africa, and the view that it arose in the Arabian Peninsula has also been common historically..

https://en.wikipedia.org/wiki/Proto-Semitic_language.

Modern South Arabian languages - Wikipedia.

The Modern South Arabian languages (MSALs), also known as Eastern South Semitic languages, are a group of endangered languages spoken by small populations inhabiting the Arabian Peninsula, in Yemen and Oman, and Socotra Island.Together with the modern Ethiopian Semitic languages, the Western branch, they form the South Semitic sub-branch of the ....

https://en.wikipedia.org/wiki/Modern_South_Arabian_languages.