Somali /səˈmɑːli, soʊ-/  (Af-Soomaali [æ̀f sɔ̀ːmɑ́ːlì]) is an Afroasiatic language belonging to the Cushitic branch. It is spoken as a mother tongue by Somalis in Greater Somalia and the Somali diaspora. Somali is an official language of Somalia, Somaliland,  a national language in Djibouti, and a working language in the Somali Region of Ethiopia. It is used as an adoptive language by a few neighboring ethnic minority groups and individuals. The Somali language is written officially with the Latin alphabet.
Somali is classified within the Cushitic branch of the Afroasiatic family; specifically, as Lowland East Cushitic along with Afar and Saho. Somali is the best-documented Cushitic language, with academic studies of the language dating back to the late 19th century.
Somali is spoken by Somalis in Somalia, the self-declared state of Somaliland, Djibouti, Ethiopia, Yemen and Kenya, and by the Somali diaspora. It is also spoken as an adoptive language by a few ethnic minority groups and individuals in these areas.
Somali is the second most widely spoken Cushitic language after Oromo.
As of 2006, there were approximately 16.6 million speakers of Somali, of which around 8.3 million resided in Somalia.  The language is spoken by an estimated 95% of the country's inhabitants, and also by a majority of the population in Djibouti.
Following the start of the Somali Civil War in the early 1990s, the Somali-speaking diaspora increased in size, with newer Somali speech communities forming in parts of the Middle East, North America and Europe. 
Constitutionally, Somali is the official language of Somalia.  Somali has been an official national language since January 1973, when the Supreme Revolutionary Council (SRC) declared it the Somali Democratic Republic's primary language of administration and education. Somali was thereafter established as the main language of academic instruction in forms 1 through 4, following preparatory work by the government-appointed Somali Language Committee. It later expanded to include all 12 forms in 1979. In 1972, the SRC adopted a Latin orthography as the official national alphabet over several other writing scripts that were then in use. Concurrently, the Italian -language daily newspaper Stella d'Ottobre was nationalized, renamed to Xiddigta Oktoobar ("The October Star"), and began publishing in Somali. The state-run Radio Mogadishu has also broadcast in Somali since 1943. Additionally, the regional public networks the Puntland TV and Radio and Somaliland National TV, as well as Eastern Television Network and Horn Cable Television, among other private broadcasters, air programs in Somali. 
Somali is recognized as an official working language in the Somali Region of Ethiopia.  Although it is not an official language of Djibouti, it constitutes a major national language there. Somali is used in television and radio broadcasts,  with the government-operated Radio Djibouti transmitting programs in the language from 1943 onwards.
The Somali language is regulated by the Regional Somali Language Academy, an intergovernmental institution established in June 2013 in Djibouti City by the governments of Djibouti, Somalia and Ethiopia. It is officially mandated with preserving the Somali language. 
Somali linguistic varieties are broadly divided into three main groups: Northern, Benadir and Maay. Northern Somali (or Nsom ) forms the basis for Standard Somali. It is spoken by more than 60% of the entire Somali population,  with its speech area stretching from northern Somalia to parts of the eastern and southwestern sections of the country.  This widespread modern distribution is a result of a long series of southward population movements over the past ten centuries from the Gulf of Aden littoral. Lamberti subdivides Northern Somali is into three dialects: Northern Somali proper (spoken in the northwest; he describes this dialect as Northern Somali in the proper sense), the Darod group (spoken in the northeast and along the eastern Ethiopia frontier; greatest number of speakers overall), and the Lower Juba group (spoken by northern Somali settlers in the southern riverine areas).
Benadir (also known as Coastal Somali) is spoken on the central Indian Ocean seaboard, including Mogadishu. It forms a relatively large group. The dialect is fairly mutually intelligible with Northern Somali.
Maay is principally spoken by the Digil and Mirifle (Rahanweyn or Sab) clans in the southern regions of Somalia. Its speech area extends from the southwestern border with Ethiopia to a region close to the coastal strip between Mogadishu and Kismayo, including the city of Baidoa. Maay is not mutually comprehensible with Northern Somali, and it differs in sentence structure and phonology.  It is also not generally used in education or media. However, Maay speakers often use Standard Somali as a lingua franca, which is learned via mass communications, internal migration and urbanization. 
Maay is closely related with the Jiddu, Dabarre, Garre and Tunni varieties that are also spoken by smaller Rahanweyn communities. Collectively, these languages present similarities with Oromo that are not found in mainstream Somali. Chief among these is the lack of pharyngeal sounds in the Rahanweyn/Digil and Mirifle languages, features which by contrast typify Somali. Although in the past frequently classified as dialects of Somali, more recent research by the linguist Mohamed Diriye Abdullahi has shown that these varieties, including Maay, constitute separate Cushitic languages. The degree of divergence is comparable to that between Spanish and Portuguese.  Of the Digil varieties, Jiddu is the most incomprehensible to Benadir and Northern speakers.  Despite these linguistic differences, Somali speakers collectively view themselves as speaking a common language. 
Somali has 22 consonant phonemes.
The consonants /b d̪ g/ often weaken to [β ð ɣ] intervocalically. The retroflex plosive /ɖ/ may have an implosive quality for some speakers, and intervocalically it can be realized as the flap [ɽ]. Some speakers produce /ħ/ with epiglottal trilling. /q/ is often epiglottalized.
The language has five basic vowels. Each has a front and back variation as well as long or short versions. This gives a distinct 20 pure vowel sounds. It also exhibits three tones: high, low and falling.
The syllable structure of Somali is (C)V(C). Root morphemes usually have a mono- or di-syllabic structure.
Pitch is phonemic in Somali, but it is debated whether Somali is a pitch accent or tonal language.  Andrzejewski (1954) posits that Somali is a tonal language,  whereas Banti (1988) suggests that it is a pitch accent language. 
|Subject pronouns||Object pronouns|
|3. Sing. m.||isagu||uu||isaga||(u)|
|3. Sing. f.||iyadu||ay||iyada||(u)|
|1. Pl. (inclusive)||innagu||aynu||innaga||ina/inoo|
|1. Pl. (exclusive)||annagu||aannu||annaga||na/noo|
Somali evinces an old prefixal verbal inflection restricted to four common verbs, with all other verbs undergoing inflection by more obvious suffixation. This general pattern is similar to the stem alternation that typifies Cairene Arabic. 
Changes in pitch are used for grammatical rather than lexical purposes. This includes distinctions of gender, number and case. In some cases, these distinctions are marked by tone alone (e.g. Ínan, "boy"; inán, "girl").
Somali has two sets of pronouns: independent (substantive, emphatic) pronouns and clitic (verbal) pronouns. The independent pronouns behave grammatically as nouns, and normally occur with the suffixed article -ka/-ta (e.g. adiga, "you"). This article may be omitted after a conjunction or focus word. For example, adna meaning "and you..." (from adi - na ). Clitic pronouns are attached to the verb and do not take nominal morphology. Somali marks clusivity in the first person plural pronouns; this is also found in a number of other East Cushitic languages, such as Rendille and Dhaasanac.
As in various other Afro-Asiatic languages, Somali has gender polarity whereby plural nouns usually take the opposite gender agreement of their singular forms.  For example, the plural of the masculine noun dibi ("bull") is formed by converting it into feminine dibi.  Somali is unusual among the world's languages in that the object is unmarked for case while the subject is marked, though this feature is found in other Cushitic languages such as Oromo. 
Somali is a subject–object–verb (SOV) language.  It is largely head final, with postpositions and with obliques preceding verbs. These are common features of the Cushitic and Semitic Afroasiatic languages spoken in the Horn region (e.g. Amharic).  However, Somali noun phrases are head-initial, whereby the noun precedes its modifying adjective. This pattern of general head-finality with head-initial noun phrases is also found in other Cushitic languages (e.g. Oromo), but not generally in Ethiopian Semitic languages.
Somali uses three focus markers: baa, ayaa and waxa(a), which generally mark new information or contrastive emphasis. Baa and ayaa require the focused element to occur preverbally, while waxa(a) may be used following the verb.
Somali's main lexical borrowings come from Arabic, and are estimated to constitute about 20% of the language's vocabulary. This is a legacy of the Somali people's extensive social, cultural, commercial and religious links and contacts with nearby populations in the Arabian peninsula. Arabic loanwords are most commonly used in religious, administrative and education-related speech (e.g. aamiin for "faith in God"), though they are also present in other areas (e.g. kubbad-da, "ball"). Soravia (1994) noted a total of 1,436 Arabic loanwords in Agostini a.o. 1985, a prominent 40,000-entry Somali dictionary. Most of the terms consisted of commonly used nouns. These lexical borrowings may have been more extensive in the past since a few words that Zaborski (1967:122) observed in the older literature were absent in Agostini's later work. In addition, the majority of personal names are derived from Arabic.
The Somali language also contains a few Indo-European loanwords that were retained from the colonial period. Most of these lexical borrowings come from English and are used to describe new objects or concepts (e.g. telefishen-ka, "television"; raadia-ha, "radio"). There are as well some Romance loans, such as garawati for "tie" (from the Italian cravatta ), and bilyeti-ga for "ticket" (from the French billet ).
Additionally, Somali contains lexical terms from Persian, Urdu and Hindi that were acquired through historical trade with communities in the Near East and South Asia (e.g. khiyaar "cucumber" from Persian: خيار khiyār ). Some of these words were also borrowed indirectly via Arabic.
As part of a broader governmental effort to ensure and safeguard the primacy of the Somali language, the past few decades has seen a push in Somalia toward replacement of loanwords in general with their Somali equivalents or neologisms. To this end, the Supreme Revolutionary Council during its tenure officially prohibited the borrowing and use of English and Italian terms.
Archaeological excavations and research in Somalia uncovered ancient inscriptions in a distinct writing system. In an 1878 report to the Royal Geographical Society of Great Britain, scientist Johann Maria Hildebrandt noted upon visiting the area that "we know from ancient authors that these districts, at present so desert, were formerly populous and civilised[...] I also discovered ancient ruins and rock-inscriptions both in pictures and characters[...] These have hitherto not been deciphered." According to Somalia's Ministry of Information and National Guidance, this script represents the earliest written attestation of Somali.
Besides Ahmed's Latin script, other orthographies that have been used for centuries for writing the Somali language include the long-established Arabic script and Wadaad writing.  According to Bogumił Andrzejewski, this usage was limited to Somali clerics and their associates, as sheikhs preferred to write in the liturgical Arabic language. Various such historical manuscripts in Somali nonetheless exist, which mainly consist of Islamic poems (qasidas), recitations and chants.  Among these texts are the Somali poems by Sheikh Uways and Sheikh Ismaaciil Faarah. The rest of the existing historical literature in Somali principally consists of translations of documents from Arabic. 
Since then a number of writing systems have been used for transcribing the Somali language. Of these, the Somali Latin alphabet, officially adopted in 1972, is the most widely used. The script was developed by the Somali linguist Shire Jama Ahmed specifically for the Somali language, and uses all letters of the English Latin alphabet except p, v and z. There are no diacritics or other special characters except the use of the apostrophe for the glottal stop, which does not occur word-initially. There are three consonant digraphs: DH, KH and SH. Tone is not marked, and front and back vowels are not distinguished.
Writing systems developed in the twentieth century include the Osmanya, Borama and Kaddare alphabets, which were invented by Osman Yusuf Kenadid, Abdurahman Sheikh Nuur and Hussein Sheikh Ahmed Kaddare, respectively.
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- Languages of Djibouti
- Languages of Somalia
- Somali Sign Language
- Somalian literature
- Somali Studies
- Somali Latin alphabet
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