Somavamsi Dynasty

The Somavamsi dynasty ruled Odisha from approximately the early 10th century to the late 11th century CE. They played a crucial role in unifying the coastal tract with the western highlands, creating a template for the later imperial Ganga state, and are credited with giving the region the name “Odisha.”

Origins and Name

The Somavamsis claimed descent from the mythical Moon (Soma) dynasty, hence their name. They originally established their power in the western part of modern Odisha (Dakshina Kosala, around present-day Sambalpur and Sonepur) before expanding eastward. The early Somavamsi rulers, like Janamejaya I (c. 882–922 CE), ruled from Suvarnapura (Sonepur) and issued grants in the Kosala region.

Expansion and Unification

The westward shift of Somavamsi power began under Yayati I (c. 922–955 CE), who, according to tradition, captured the coastal region after defeating the Bhaumakaras and moved the capital to Yayatinagara (probably modern Jajpur or a location near Bhubaneswar). Yayati I’s conquest unified Kosala and Utkala for the first time under a single dynasty.

Key Somavamsi rulers:

Temple Architecture

The Somavamsis were prolific temple builders. Some of the earliest standing temples of Bhubaneswar—including the Muktesvara temple (c. 970 CE)—were built during their rule. The Muktesvara, with its exquisite torana (arched gateway) and sculptural finesse, represents a transition between the earlier Parasuramesvara style and the mature Lingaraja style. The construction of the Lingaraja temple itself may have begun in the later Somavamsi period, though it was completed by the Gangas.

Origin of the Name “Odisha”

The Somavamsi records are the first to use the term Odisha (or Odra-desha) to refer to the region comprising both coastal and western parts. The term derives from the Odra people mentioned in ancient texts and evolved through Odra → Oddiyana → Odra-desha → Odisha. This naming tradition was continued by the later Ganga and Gajapati dynasties.

Administration and Religion

The Somavamsi state was built on an elaborate system of land grants to Brahmins, which spread agrarian settlement and Brahmanical culture into forested and tribal areas. They were ardent Shaivas and promoted the worship of Shiva, particularly in the form of Tribhuvanesvara (Lord of Three Worlds), from which Bhubaneswar derives its name. The dynasty declined in the early 12th century, to be succeeded by the Eastern Gangas.