vedāś catvāra uddhṛtāḥ
pañcamo veda ucyate
ṛg-yajuḥ-sāma-atharva-ākhyāḥ—the names of the four Vedas; vedāḥ—the Vedas; catvāraḥ—four; uddhṛtāḥ—made into separate parts; itihāsa—historical records (Mahābhārata); purāṇam ca—and the Purāṇas; pañcamaḥ—the fifth; vedaḥ—the original source of knowledge; ucyate—is said to be.
The four divisions of the original sources of knowledge [the Vedas] were made separately. But the historical facts and authentic stories mentioned in the Purāṇas are called the fifth Veda.
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