The South Semitic scripts are a family of

alphabet An alphabet is a standardized set of basic written graphemes (called letters) that represent the phonemes of certain spoken languages. Not all writing systems represent language in this way; in a syllabary, each character represents a s ...

s that had split from

Proto-Sinaitic script Proto-Sinaitic (also referred to as Sinaitic, Proto-Canaanite when found in Canaan, the North Semitic alphabet, or Early Alphabetic) is considered the earliest trace of alphabetic writing and the common ancestor of both the Ancient South Arabia ...

by the 10th century BC. The family has two main branches:

Ancient North Arabian Ancient North Arabian (ANA)http://e-learning.tsu.ge/pluginfile.php/5868/mod_resource/content/0/dzveli_armosavluri_enebi_-ugarituli_punikuri_arameuli_ebrauli_arabuli.pdf is a collection of scripts and possibly a language or family of languages (or ...

(ANA) and

Ancient South Arabian Old South Arabian (or Ṣayhadic or Yemenite) is a group of four closely related extinct languages spoken in the far southern portion of the Arabian Peninsula. They were written in the Ancient South Arabian script. There were a number of oth ...

(ASA). The scripts were exclusive to

Arabia The Arabian Peninsula, (; ar, شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, , "Arabian Peninsula" or , , "Island of the Arabs") or Arabia, is a peninsula of Western Asia, situated northeast of Africa on the Arabian Plate. ...

and the

Horn of Africa The Horn of Africa (HoA), also known as the Somali Peninsula, is a large peninsula and geopolitical region in East Africa.Robert Stock, ''Africa South of the Sahara, Second Edition: A Geographical Interpretation'', (The Guilford Press; 2004), ...

. All the ANA and most of the ASA scripts fell out of use by the 6th century AD. The exception was

Geʽez Geez (; ' , and sometimes referred to in scholarly literature as Classical Ethiopic) is an ancient Ethiopian Semitic language. The language originates from what is now northern Ethiopia and Eritrea. Today, Geez is used as the main liturg ...

, a child of ASA in use in

Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the Er ...

. It and its variants remain in use today for various Ethiosemitic languages. In Arabia, the South Semitic scripts were replaced by Arabic script, which is descended from

Aramaic script The Aramaic languages, short Aramaic ( syc, ܐܪܡܝܐ, Arāmāyā; oar, 𐤀𐤓𐤌𐤉𐤀; arc, 𐡀𐡓𐡌𐡉𐡀; tmr, אֲרָמִית), are a language family containing many varieties (languages and dialects) that originated in ...

.Michael Everson and Michael Macdonald
"Proposal to Encode the Old North Arabian Script in the SMP of the UCS"
''Proposals from the Script Encoding Initiative'', UC Berkeley, 2010.

References

Semitic writing systems {{writingsystem-stub