Prithu (पृथु, IAST: Pṛthu) is a Sanskrit-origin Hindu boy-name meaning “The broad, vast, and wide-spreading one”. From the root prath (to spread, to expand), Pṛthu means 'the wide one' or 'the vast one,' evoking Viṣṇu's all-pervading cosmic expanse as well as the legendary king Pṛthu who shaped the earth.

Meaning, etymology & significance

Pṛthu is derived from the root prath or pṛth, meaning to spread out or to become wide, and conveys the sense of vastness, breadth, and all-pervasiveness. In the Purāṇas, King Pṛthu is celebrated as the first consecrated king, whose milking of the earth-cow established agriculture and prosperity for humanity — he is regarded as an avatāra of Viṣṇu. As a name of Viṣṇu in the Sahasranāma, it honors his limitless cosmic expansion that encompasses all of existence.

Pṛthu is a well-known classical name in India, found in the Bhāgavata Purāṇa, the Viṣṇu Purāṇa, and the Mahābhārata. It is used as a given name for boys, especially in families with an affinity for Sanskrit and Purāṇic traditions; the modern form Prithu is common in North India.

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Scriptural source

Prithu appears in the Vishnu Sahasranama, among the sacred names of Vishnu.