The Costoboci (//; Latin: Costoboci, Costobocae, Castabocae, Coisstoboci, Ancient Greek: Κοστωβῶκοι, Κοστουβῶκοι or Κοιστοβῶκοι) were an ancient people located, during the Roman imperial era, between the Carpathian Mountains and the river Dniester. During the Marcomannic Wars the Costoboci invaded the Roman empire in AD 170 or 171, pillaging its Balkan provinces as far as central Greece, until they were driven out by the Romans. Shortly afterwards, the Costoboci's territory was invaded and occupied by Vandal Hasdingi and the Costoboci disappeared from surviving historical sources, except for a mention by the late Roman Ammianus Marcellinus, writing around AD 400.
According to Ion I. Russu, this is a Thracian compound name meaning "the shining ones". The first element is the perfect passive participle Cos-to-, derived from the Proto-Indo-European root kʷek̂-, kʷōk̂- "to seem, see, show", and the second element is derived from the Proto-Indo-European root bhā-, bhō- "to shine", extended by the suffix -k-. Ivan Duridanov considered it a Dacian name with unclear etymology.
N.B. Georgiev considers all etymologies based on Indo-European root-words (so-called Wurzeletymologien) to be "devoid of scientific value": the root-words themselves are reconstructions, are necessarily incomplete and can have multiple descendants in several IE languages. In this case, the name Costoboci could mean "the shining ones" in languages other than Thracian (e.g. in Iranic or Celtic languages) or it could have a different root(s) than the ones surmised by Russu.
Mainstream modern scholarship locates this tribe to the north or north-east of Roman Dacia. Some scholars considered that the earliest known mention of this tribe is in the Natural History of Pliny the Elder, published c. AD 77, as a Sarmatian tribe named the Cotobacchi living in the lower Don valley. Other scholars have challenged this identification and have recognised the "Cotobacchi" as a distinct tribe.
Ammianus Marcellinus, writing c. 400, locates the Costoboci between the Dniester and Danube rivers, probably to the north-east of the former Roman province of Dacia. In his Geographia (published between 135 and 143 AD), the Greek geographer Ptolemy seems to indicate that the Costoboci inhabited north-western  or north-eastern Dacia. In addition, some scholars identify the people called Transmontanoi (literally: "people beyond the mountains") by Ptolemy, located to the north of the Carpathians, as Dacian Costoboci.
Some scholars associate the Costoboci with the Lipiţa culture. However Roger Batty, reluctant to correlate material culture with group identity, argues that Lipiţa culture belonged either to a subgroup of the Costoboci or to some population they ruled over. This culture developed on the northern side of the Carpathians in the Upper Dniester and Prut basins in the Late La Tène period.
The bearers of this culture had a sedentary lifestyle and practiced agriculture, cattle-breeding, iron-working and pottery. The settlements were not fortified and contained sunken floored buildings, surface buildings, storage pits, hearths, ovens and kilns. There are numerous pottery finds of various types, both wheel and hand-made, with similarities in shape and decoration to the pottery of the pre-Roman Dacia. The pottery finds of the northern Lipiţa sites in the upper Zolota Lypa basin are similar to that of the Zarubintsy culture.The cemeteries were found close to settlements. The predominant funeral rite was cremation, with urns containing ashes buried in plain graves, but several inhumation graves were also excavated.
A Latin-language funerary inscription found in Rome, believed to date from the 2nd century AD, was dedicated to Zia or Ziais the Dacian, the daughter of Tiatus and the wife of Pieporus, a king of the Costoboci. The monument was set up by Natoporus and Drigisa, Zia's grandsons. The inscription was first published by the Italian scholar Mariangelus Accursius in the 16th century, but it is now lost.
CARISS(imae) B(ene) M(erenti) FECER(unt)
"To the Spirits of the Dead. (Dedicated) to ZIA(IS) the Dacian, Daughter of TIATUS, Wife of PIEPORUS, Costobocan king. NATOPORUS and DRIGISA made (this memorial) for their most dear, well-deserving grandmother."
- Drigisa: a Thracian or Dacian name. It is considered a variant with the infix -l- of the name Drigis(s)a, the name of the Roman veteran Aurelius Drigisa from Moesia Inferior and of the legionary Titus Aurelius Drigissa from Moesia Superior. The final element -gis(s)a is frequent in Dacian onomastics.
- Natoporus: a Thracian or Dacian name. A soldier Natopor is known from several ostraca found at Mons Claudianus in eastern Egypt. A Roman military diploma was issued in 127 in Mauretania Caesariensis for a Dacian soldier and his two children, a son Nattoporis and a daughter Duccidava. It is a name ending in -por, a frequent Thracian and Dacian onomastic element. On a military diploma issued in 127 in Germania Inferior, a Dacian soldier's father is named Natusis, a name formed with the same first element nat- and a suffix -zi-/-si-.
- Pieporus: a Thracian or Dacian name. It is a name ending in -por, a frequent Thracian and Dacian onomastic element.
- Tiatus: a Thracian or Dacian name. Tiatus is maybe a name starting in thia-, typical for Dacians. A name Tiato is attested on a fragmentary dipinto found at Maximianon, a Roman fort in eastern Egypt.
- Zia or Ziais: a Thracian or Dacian name. Zia is a female name attested in Moesia Inferior.
The ethnic and linguistic affiliation of the Costoboci is uncertain due to lack of evidence. The mainstream view is that they were a Dacian tribe, among the so-called "Free Dacians" not subjected to Roman rule. However some scholars suggested they were Thracian, Sarmatian, Slavic, Germanic, Celtic, or Dacian with a Celtic superstratum.
The evidence adduced in support of the main ethnic hypotheses may be summarised as follows:
- Onomastics: The family of a Costobocan king called Pieporus (2nd century) had names considered by some scholars to be of Dacian origin .
- The rubric Dacpetoporiani on the Tabula Peutingeriana has been interpreted by some scholars as an elision of "Daci Petoporiani" meaning the "Dacians of King Petoporus". Schütte argued Petoporus is one and the same as Pieporus, the king of the Costoboci.
- Archaeology: The Costoboci have been linked, on the basis of their geographical location, with the Lipitsa culture. This culture's features, especially its pottery styles and burial customs, have been identified as Dacian by some scholars, leading to the conclusion that the Costoboci were an ethnic-Dacian tribe.
- Name etymology: According to Schütte, the Dacian element -bokoi is also occurring in the name of another Dacian tribe, the Sabokoi. However, Batty argues that the Lipitsa culture is a poor fit for the Costoboci, not least because it appears to have disappeared during the 1st century BC, long before the period AD 100-200 when they are attested in and around Dacia by surviving historical documents.
- Onomastics: Some scholars consider the names of Pieporus and of his grandsons to be Thracian (see Onomastics, above).
- Archaeology: According to Jazdewski, in the early Roman period, on the Upper Dniestr, the features of the Lipitsa culture indicate ethnic Thracians under strong Celtic cultural influence, or who had simply absorbed Celtic ethnic components.
- The fact that queen Zia is specifically characterised as "Dacian" may indicate that Pieporus and the Costoboci were not themselves Dacians.
- The name Costoboci is considered by some scholars to be of Celtic etymology. In particular, they see the first element of their name as a corruption of coto-, a Celtic root meaning "old" or "crooked" (cf. Cotini, an eastern Celtic tribe in the same Carpathian region; Cottius, a king of the Celtic Taurini in the western Alps. One Pliny manuscript variant of the name Costoboci is Cotoboci). However, Faliyeyev argues that while possible, a Celtic derivation is less likely than an "autochthonous" one.
- During the period 400-200 BC, Transylvania and Bessarabia saw intensive Celtic settlement, as evidenced by heavy concentrations of La Tène-type cemeteries. Central Transylvania appears to have become a Celtic enclave or unitary kingdom, according to Batty. Ptolemy lists 3 tribes as present in Transylvania: (west to east): the Taurisci, Anartes and Costoboci. The first two are generally considered by scholars to be of Celtic origin.
- The Lipitsa culture displays numerous Celtic features.
According to some scholars, the Costoboci were not a sedentary group at all, but a semi-nomadic steppe horse-based culture of Scytho-Sarmatian character. This hypothesis was originally proposed by the eminent 19th-century German classical scholar Theodor Mommsen.
- The tribe called Cotobacchi (or Cotoboci or other manuscript variants) in a list of Sarmatian tribes in Pliny's Naturalis Historia is considered by some scholars to refer to the Costoboci. However, Russu and other scholars consider the Cotobacchi to be a distinct group, unconnected to the Costoboci.
- The statement by Ammianus Marcellinus (ca, AD 400), that a region of the north Pontic steppes was inhabited by "the European Alans, the Costobocae and innumerable Scythian tribes". According to some scholars, the region referred to is the entire steppe between the Danube and the river Don and the passage identifies the Costobocae as an Iranic steppe-nomadic people. However, other scholars argue that the region referred to is much smaller, that between the Danube and Dniester.
- The presence, throughout the region identified by ancient geographers as inhabited by the Costoboci (SW Ukraine, northern Moldavia and Bessarabia), interspersed among the sites of sedentary cremation cultures such as Lipitsa, of distinct Sarmatian-style inhumation cemeteries dating from the 1st and 2nd centuries AD.
- An inscription found in the Sanctuary of the Mysteries at Eleusis in Greece, which is believed to have been carved by priests after this temple was sacked by the Costoboci during their invasion of 170/1. The inscription refers to the "crimes of the Sarmatians". Some scholars argue that this proves the Costoboci were Sarmatians. However, other scholars suggest that the name of the Sarmatians was used as an umbrella term for raiders crossing the lower Danube, or that it attests a joint invasion by Costoboci and Sarmatians.
Conflict with RomeEdit
During the rule of Marcus Aurelius, the Roman Empire fought the Marcomannic Wars, a vast and protracted struggle against Marcomanni, Quadi, and other tribes along the middle Danube. The Costoboci also joined the anti-Roman coalition at some stage.
The invasion of 170/1Edit
In AD 167 the Roman legion V Macedonica, returning from the Parthian War, moved its headquarters from Troesmis in Moesia Inferior to Potaissa in Dacia Porolissensis, to defend the Dacian provinces against the Marcomannic attacks. Other auxiliary units from Moesia Inferior participated in the middle Danube campaigns, leaving the lower Danube frontier defenses weakened. Taking the opportunity, in 170 or 171, the Costoboci invaded Roman territory. Meeting little opposition, they swept through and raided the provinces of Moesia Inferior, Moesia Superior, Thracia, Macedonia and Achaea.
Crossing the Danube, the Costoboci burnt down a district of Histria which was thus abandoned. Their attacks also affected Callatis and the walls of the city required reparations. Two funerary inscriptions discovered at Tropaeum Traiani in Moesia Inferior commemorate Romans killed during the attacks: Lucius Fufidius Iulianus, a decurion and duumvir of the city and a man named Daizus, son of Comozous. A vexillatio made of detachments of the legions I Italica and V Macedonica was deployed at Tropaeum in this period, perhaps to defend against these attacks. The raiders then moved west reaching Dardania. A tombstone found at Scupi in Moesia Superior was dedicated to Timonius Dassus, a decurion from the Roman auxiliary cohort II Aurelia Dardanorum, who fell in combat against the Costoboci. Their offensive continued southwards, through Macedonia into Greece.
Pausanias, Description of Greece, X, 34, 5.
Thereafter, the barbarians reached Athens where they sacked the famous shrine of the Mysteries at Eleusis. In May or June 171, the orator Aelius Aristides delivered a public speech in Smyrna, lamenting the limited damage recently inflicted to the sacred site. Three local inscriptions praise an Eleusinian priest for saving the ritual's secrets.
Even though much of the invasion force was spent, the local resistance was insufficient and the procurator Lucius Iulius Vehilius Gratus Iulianus was sent to Greece with a vexillatio to clear out the remnants of the invaders. The Costoboci were thus defeated.
In the same period the Costoboci may have attacked Dacia. A bronze hand dedicated to Jupiter Dolichenus by a soldier from a cohort stationed in Dacia was found at Myszków in Western Ukraine. It has been suggested that this may have been loot from a Costobocan raid. Some scholars suggest that it was during this turbulent period that members of King Pieporus' family were sent to Rome as hostages.
The coming of the VandalsEdit
Soon after AD 170, the Vandal Astingi, under their kings, Raus and Raptus, reached the northern borders of Roman Dacia and offered the Romans their alliance in return for subsidies and land. Sextus Cornelius Clemens, the governor of the province, refused their demands, but he encouraged them to attack the troublesome Costoboci while offering protection for their women and children. The Astingi occupied the territory of the Costoboci but they were soon attacked by another Vandal tribe, the Lacringi. Both Astingi and Lacringi eventually became Roman allies, allowing the Romans to focus on the middle Danube in the Marcomannic wars. Scholars variously suggest that the remnants of this tribe were subdued by the Vandals or fled and sought refuge in the neighbouring territories of the Carpi or in the Roman province of Dacia.
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