Domestikos

Domestikos (/doʊˈmɛstᵻˌkɒs/; Greek: δομέστικος, from the Latin domesticus, "of the household"), in English sometimes [the] Domestic, was a civil, ecclesiastic and military in the late Roman Empire and the Byzantine Empire.

The domestikoi trace their ancestry to the protectores domestici guard unit of the Late Roman army, established in the late 3rd century. These were a corps of men that served as a staff to the Roman Emperor, while also functioning as an officer school. These continued in existence in the Eastern Roman Empire until the late 6th century. In the Byzantine army, the old protectores domestici had vanished by the 7th century, and the name only remained as a title associated with certain guard units. Following the creation of the tagmata in the mid-8th century, four of them, the Scholai, the Exkoubitoi, the Hikanatoi and the Noumeroi, as well as, uniquely, the thema of the Optimatoi, were led by a domestikos. To them was added the short-lived tagma of the Athanatoi in the late 10th century.

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