She is among the earliest documented goddesses in the Tamil Sangam literature, and also found in later Tamil literature particularly those related to Shaivism. She is mentioned in the many poems in Paripāṭal , though the dedicated poem to her in among those that have been lost to history. She is mentioned in the Pattuppattu anthology - the long Tamil poems dated between 300 BCE to 300 CE, including the Neṭunalvāṭai, Maturaikkanci, Poruṇarāṟṟuppaṭai, and Paṭṭiṉappālai. In the Tamil epic Silappadikaram (c. 2nd-century), she is described as the wife of Shiva, and the sister of Vishnu. Depending on the context and her fierceness, she is identified with Durga-Mahisasuramardini and Kali goddess avatars of Parvati in other parts of India. This may be the result of a fusion of regional goddesses during the ancient proto-literate era into a unified goddess version over the centuries, in the form of a pan-Hindu deity.