Khan (, , ) is a historic Turkic and Mongolic title originating among nomadic tribes in the Central and Eastern Eurasian Steppe to refer to a king. It first appears among the Rouran and then the Göktürks as a variant of khagan (sovereign, emperor) and implied a subordinate ruler. In the Seljuk Empire, it was the highest noble title, ranking above malik (king) and emir (prince). In the Mongol Empire it signified the ruler of a horde (ulus), while the ruler of all the Mongols was the khagan or great khan. It is a title commonly used to signify the head of a Pashtun tribe or clan.
The title subsequently declined in importance. During the Safavid and Qajar dynasty it was the title of an army general high noble rank who was ruling a province, and in Mughal India it was a high noble rank restricted to courtiers. After the downfall of the Mughals it was used promiscuously and became a surname. Khan and its female forms occur in many personal names, generally without any nobiliary of political relevance, although it remains a common part of noble names as well.
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Etymology
The origin of the term is disputed and unknown, possibly a loanword from the Rouran language. A Turkic and Para-Mongolic origin has been suggested by a number of scholars including Ramstedt, Shiratori, Sinor and Doerfer, and was reportedly first used by the Xianbei.
Dybo (2007) suggests that the ultimate etymological root of Khagan/Khan comes from the Middle Iranian *hva-kama- 'self-ruler, emperor', following the view of Benveniste 1966. Savelyev and Jeong 2020 note that both the etymological root for Khagan/Khan and its female equivalent "khatun" may be derived from Eastern Iranian languages, specifically from "Early Saka *hvatuñ, cf. the attested Soghdian words xwt'w 'ruler' (< *hva-tāvya-) and xwt'yn 'wife of the ruler' (< *hva-tāvyani)".
History
"Khan" is first encountered as a title in the Xianbei confederation for their chief between 283 and 289. The Rourans may have been the first people who used the titles khagan and khan for their emperors. However, Russian linguist Alexander Vovin (2007) believes that the term qaγan originated among the Xiongnu people, who were Yeniseian-speaking (according to Vovin), and then it diffused across language families. Subsequently, the Göktürks adopted the title and brought it to the rest of Asia. In the middle of the sixth century the Iranians knew of a "Kagan – King of the Turks".
Various Mongolic and Turkic peoples from Central Asia gave the title new prominence after period of the Mongol Empire (1206–1368) in the Old World and later brought the title "khan" into Northern Asia, where locals later adopted it. Khagan is rendered as Khan of Khans. It was the title of Chinese Emperor Emperor Taizong of Tang (Heavenly Khagan, reigned 626 to 649) and Genghis Khan's successors selected to rule the Mongol Empire starting from 1229. Genghis Khan himself was referred as qa'an (khagan) only posthumously. For instance Möngke Khan (reigned 1251–1259) and Ogedei Khan (reigned 1229–1241) would be "Khagans" but not Chagatai Khan, who was not proclaimed ruler of the Mongol Empire by the Kurultai.
Khanate rulers and dynasties
Ruling khans
Originally khans headed only relatively minor tribal entities, generally in or near the vast Mongolian and North Chinese steppe, the scene of an almost endless procession of nomadic people riding out into the history of the neighbouring sedentary regions. Some managed to establish principalities of some importance for a while, as their military might repeatedly proved a serious threat to empires in the Central Plain and Central Asia.
One of the earliest notable examples of such principalities in Europe was Danube Bulgaria (presumably also Old Great Bulgaria), ruled by a khan or a kan at least from the 7th to the 9th century. The title "khan" is not attested directly in inscriptions and texts referring to Bulgar rulers – the only similar title found so far, Kanasubigi, has been found solely in the inscriptions of three consecutive Bulgarian rulers, namely Krum, Omurtag and Malamir (a grandfather, son and grandson). Starting from the compound, non-ruler titles that were attested among Bulgarian noble class such as kavkhan (vicekhan), tarkhan, and boritarkhan, scholars derive the title khan or kan for the early Bulgarian leader – if there was a vicekhan (kavkhan) there was probably a "full" khan, too. Compare also the rendition of the name of early Bulgarian ruler Pagan as Καμπαγάνος (Kampaganos), likely resulting from a misinterpretation of "Kan Pagan", in Patriarch Nicephorus's so-called Breviarium. In general, however, the inscriptions as well as other sources designate the supreme ruler of Danube Bulgaria with titles that exist in the language in which they are written – archontes, meaning 'commander or magistrate' in Greek, and knyaz, meaning "duke" or "prince" in Slavic. Among the best known Bulgar khans were: Khan Kubrat, founder of Great Bulgaria; Khan Asparukh, founder of Danubian Bulgaria (today's Bulgaria); Khan Tervel, who defeated the Arab invaders in 718 Siege of Constantinople (718), thus stopped the Arab invasion in Southeast Europe; Khan Krum, "the Fearsome". "Khan" was the official title of the ruler until 864 AD, when Knyaz Boris (known also as Tsar Boris I) adopted the Eastern Orthodox faith.
The title Khan rose to unprecedented prominence with the Mongol Temüjin's creation of the Mongol empire, the largest contiguous empire in history, which he ruled as Genghis Khan. Before 1229 the title was used to designate leaders of important tribes as well as tribal confederations (the Mongol Empire considered the largest one), and rulers of non-Mongol countries. Shortly before the death of the Genghis Khan, his sons became khans in different dominions (ulus) and the title apparently became unsuitable for the supreme ruler of the empire, needing a more exalted one. Being under Uighur cultural influence, Mongols adopted the title of khagan starting with Ögedei Khan in 1229.
Compound and derived princely titles
The higher, rather imperial title Khaqan ("Khan of Khans") applies to probably the most famous rulers known as Khan: the Mongol imperial dynasty of Genghis Khan (his name was Temüjin, Genghis Khan a never fully understood unique title), and his successors, especially grandson Kublai Khan: the former founded the Mongol Empire and the latter founded the Yuan Dynasty in China. The ruling descendants of the main branch of Genghis Khan's dynasty are referred to as the Great Khans.
The title Khan of Khans was among numerous titles used by the Sultans of the Ottoman Empire as well as the rulers of the Golden Horde and its descendant states. The title Khan was also used in the Seljuk Turk dynasties of the near-east to designate a head of multiple tribes, clans or nations, who was below an Atabeg in rank. Jurchen and Manchu rulers also used the title Khan (Han in Manchu); for example, Nurhaci was called Genggiyen Han. Rulers of the Göktürks, Avars and Khazars used the higher title Kaghan, as rulers of distinct nations.
Aga Khan (Persian: آقاخان; Arabic: آغا خان; also transliterated as Aqa Khan and Agha Khan) is the title of the Imām of the Nizari Ismāʿīli Shia community serving as their religious head and temporal leader. The title of agha (Āqā in Persian) comes from the Old Turkic and Mongolian aqa, meaning “elder brother”, and is used as a term of respect like “lord” or “master”.
Beg Khan (a concatenation of Baig and Khan) is a title used by some Mughals and Mongols.
Gur Khan or Gür Qan, meaning “Universal Khan” or “Ruler of All”, was the ruler of the Khitan Kara-Khitai, and had occasionally been used by the Mongols as well. It can be found in the Secret History of the Mongols in the form Gür-qa (Middle Mongolian: ᠭᠦᠷ ᠬᠠ) as the title bestowed upon Jamukha, leader of the Jadaran tribe and former anda (sworn brother) to Genghis Khan.
This is not to be confused with Gurkan, Gurkani, or Gurkaniya (Persian: گورکان, Gurkân), a title used by the Timurids and Mughals. This word instead ultimately derives from kürgen (Middle Mongolian: ᠬᠦᠷᠭᠡᠨ, transl. "son-in-law"), a reference to Timur’s marriage into the Chinggisids through his marriage to Saray Mulk Khanum, a direct descendant of Genghis Khan.
Other khans
Noble and honorary titles
In imperial Persia, Khan (female form Khanum in Persia) was the title of a nobleman, higher than Beg (or bey) and usually used after the given name. At the Qajar court, precedence for those not belonging to the dynasty was mainly structured in eight classes, each being granted an honorary rank title, the fourth of which was Khan, or in this context synonymously Amir, granted to commanders of armed forces, provincial tribal leaders; in descending order.
In neighboring Ottoman Turkey and subsequently the Republic of Turkey, the term Khanum was and is still written as Hanım in Turkish/Ottoman Turkish language. The Ottoman title of Hanımefendi (lit translated; lady of the master), is also a derivative of this.
The titles Khan and Khan Bahadur (from the Altaic root baghatur), related to the Turkic batyr or batur and Mongolian baatar ("brave, hero"); were also bestowed in feudal India by the Mughals, who although Muslims were of Turkic origin upon Muslims and awarded this title to Hindus generals in army particularly in Gaud or Bengal region during Muslim rulers, and later by the British Raj, as an honor akin to the ranks of nobility, often for loyalty to the crown. Khan Sahib was another title of honour.
In the major Indian Muslim state of Hyderabad, Khan was the lowest of the aristocratic titles bestowed by the ruling Nizam upon Muslim retainers, ranking under Khan Bahadur, Nawab (homonymous with a high Muslim ruler's title), Jang, Daula, Mulk, Umara, Jah. The equivalent for the courts Hindu retainers was Rai. In Swat, a Pakistani Frontier State, it was the title of the secular elite, who together with the Mullahs (Muslim clerics), proceeded to elect a new Amir-i-Shariyat in 1914. It seems unclear whether the series of titles known from the Bengal sultanate are merely honorific or perhaps relate to a military hierarchy.
Other uses
Like many titles, the meaning of the term has also extended southwards into South Asian countries, and Central Asian nations, where it has become a common surname.
Khan and its female forms occur in many personal names, generally without any nobiliary of political relevance, although it remains a common part of noble names as well. Notably in South Asia it has become a part of many South Asian Muslim names, especially when Pashtun (also known as Afghan) descent is claimed. It is also used by many Muslim Rajputs of Indian subcontinent who were awarded this surname by Mughals for their bravery. and it's widely used by Baloch and Awan tribes.
Khan-related terms
Khanzadeh (Tatar: Xanzadä) – a prince, khan's son
Khanbikeh (Tatar: Xanbikä) – a queen, khan's wife
Khanbaliq (or Dadu) – Yuan capital which later developed into modern Beijing.
Il khan
Bogda Khan
Khan of Heaven
Khatun, Khanum – female equivalent of Khan or title of women of the Khan's family
