A beg was the head of a tribe or a clan, and the begs were the men who counted.[1] The word runs through the Orkhon inscriptions as the natural partner of bodun, the commons: where the two are named together the whole people is meant, and where they are set against each other the state is in trouble. Above the begs stood the khan; below them stood everybody else. That is the entire ladder as the inscriptions describe it, and the beg is its middle rung.
In the inscriptions
The Kül Tegin stone gives the clearest statement of what a beg was for, and it gives it as an account of collapse. Begleri bodunı tüzsüz üçün — because their lords and their commons were not straight with one another, because the Chinese were devious and full of guile, because they set younger brother against elder brother and put lords and commons to slandering one another, the Göktürk let slip the realm they had made a realm and lost the khan they had made khan.[2] The sentence assumes a reader who knows that lord and commons are the two halves of one body. It is not a complaint about bad men; it is a diagnosis of a broken joint.
What followed is put in the same terms.
To the Chinese, the sons who should have been lords became slaves, and the unblemished daughters became serving-women. The Türk lords threw away their Türk titles. The lords who went over to China took Chinese titles and became subjects of the Chinese khan.
That is the inscription’s own account.[2] The word for what those sons lost is beglik — the standing of a beg, the thing a well-born son was born to. Losing it and taking a Chinese title are named in one breath, which says that the title was not decoration. A beg with a Chinese title was a Chinese subject.
The rank was also something a khan could give and take away. The Kirghiz khan Bars Beg carried both words in his name at once:
The khan of the Kırkız was Bars Beg. It was we who gave him the title of khan here. We gave him my younger sister as his princess.
So the Kül Tegin stone.[2] A beg raised to khan by a khan, and married into the ruling house to hold him there — the promotion is the clearest evidence there is that the two ranks were understood as steps of one ladder, and that the upper step was in the gift of the man already standing on it. When Bars Beg went wrong he died and his people were enslaved.
What the word may be
The origin is not settled, and it has not been settled for a century. Three derivations compete.[3]
The first takes the word from Chinese 伯 bo, an elder brother and a rank of nobility, whose older pronunciation has been reconstructed as something like pak. Sinologists have carried this reading, and it is the one the standard etymological dictionary of pre-thirteenth-century Turkish records as the view of Giles and Karlgren.[3] The second takes it from Iranian baga, “god”, the word behind Middle Persian bay and Sogdian βγ-, all of them used as honorifics for kings and men of rank. The main objection to it is phonetic: the Middle Iranian form was baγ, and a borrowing should have produced baγ or beγ, not beg.[3] The third holds the word to be Turkic and the resemblances to be resemblances. Gerhard Doerfer argued that the Iranian derivation is far from certain and that the word may be native.
A separate argument cuts across all three. Because the title also turns up among peoples who were not Turkic-speaking, some have taken its spread as evidence that it was a loan into Turkic rather than out of it — a case put by Barthold, Menges and Peter B. Golden.[3] The counter-observation is that a title spreads with the power that uses it, and that borrowing out of Turkic would produce the same distribution.
There is a further observation, and it is the one this work regards as telling. From the Göktürk period onwards the word is not to be found among the Iranians. Whatever baga had been in Sogdian and Middle Persian, it did not go on being a living title of rank in the Iranian east while the steppe was using beg on every rung of its order — from the lord of a tribe to the tümen begi of ten thousand men. A word borrowed from Iranian would be expected to leave the lender using it. This one did not, and the asymmetry says that the use of the title was Turkic in a way it was not Iranian, whatever the ultimate origin of the syllable turns out to be. This work records the three derivations, does not choose among them on the etymology, and takes the distribution of use as its own finding.
Beg and Kut
One document ties the rank to the Kut, the fortune that made a ruler a ruler. A Chinese inscription for two Göktürk princesses gives their father as the Great Khan of the Göktürk, … Kutlug Beg, Beg Çur, and says that he had received this title from high heaven.[4] The sentence does two things at once: it names a man who is khan and beg together, and it says where the standing came from. A beg held his place by the same warrant a khan held his, only less of it.
Afterwards
The rank outlived the khaganates without much change of meaning. In the Middle Turkic texts beg is still the head of a clan, a chief, a high administrator or a commander, and it now appears in compounds that count: tümen begi for the lord of ten thousand, miŋ begi for the lord of a thousand, on begi for the lord of ten.[5] Beside it elig beg and elig khan are both used for a ruler, and ınanç beg and çağrı beg for a commander of the army.[6] The decimal ladder is the ordering principle of a steppe army, and the word for lord sits on every rung of it.
From there the word goes two ways. In the west it becomes Turkish bey, a form of address and a rank in the Ottoman service. In the Kipchak north it becomes bi, and among the Kazakhs the bi is the man who judges by Töre, the customary law — an office that keeps the old sense of a beg as the man whose word settles a dispute inside the tribe.[1]
The compound that carried furthest is the one that put ata, father, in front of it. The atabeg of the Seljuk chanceries is a beg set over a prince as guardian, and half a dozen dynasties grew out of that guardianship.
In this work
Beg is used here for the rank and begs for the estate, in every period and every language of the site. Where a source gives another form — bek, bi, bey — the form stands in the list of names and the article uses Beg. The article on the title of khan carries the ladder as a whole; Ilteber carries the rank the Göktürk gave to the rulers they had subjected, which is a different thing from a beg and is sometimes confused with one.
References
Sources
Literature
- Fikret Turan, Eski Türkçeden Orta Türkçeye Askeri Rütbe ve Unvanlar / Military Ranks and Titles From Old Turkic to Middle Turkic (2018)
- Saffet Alp Yılmaz, Eski Türk Runik Harfli Metinlerdeki Askerî ve Siyasî Terimler ile Unvan Niteleyicilerin Özbek Türkçesindeki İzleri (2018)
- Zehra Odabaşı, Türk Devletlerinde Kullanılan İdari Ünvanlar / Used Administrative Titles in Turkish States (2019)
- Peter B. Golden, An Introduction to the History of the Turkic Peoples (1992)
- Emre-E. Yavuz, The Gokturk Empire: 2nd Edition (2025)
What links here3
- Institutions and Titles
- Atabeg · Ilteber · Khan (Khagan)
Cite this article
Yavuz, Emre-E. “Beg.” Turkic Atlas, revised 13 September 2026. https://turkicatlas.business-5d4.workers.dev/institutions/beg/
Last revised: 13 September 2026