Matsyapurana 154.73

154.73

samāptaniyamā devī yadā comā bhaviṣyati
tadā svameva tadrūpaṃ śailajā pratipatsyate //

O, Goddess Râtri! Thou shouldst also kill the invincible demons in this world but Thou shalt not be able to do so unless Thou shroudst the body of Pârvatî, and Her qualities penetrate within Thee, Thou shouldst, therefore, do exactly what I have just told Thee When this will be done, that Devî after Her asceticism, will be known as Umâ Afterwards when the course of Pârvatî's asceticism is complete she will assume her fair complexion Thy form will be known by the name of Ekânaṁśâ, on account of some of Her qualities being imbibed in Thee O Granter of boons! The people will worship Thee as Ekânamśâ Thou shalt travel all over the world and will be worshipped under various forms and Thou shalt gratify the desires of all persons Thou shalt be worshipped as the Gâyatrî prefixed with "Om," so the knowers of Brahmâ will worship Thee The Kings will worship Thee as Urjitâ Âkrânti The Vaiśyas will worship Thee as Bhûmi, *i e.*, mother like the mother earth, the Śudras will worship Thee as Śarvî, *i e.*, the better half of Śiva and the sages know Thee as *Forbearance* and *Clemency* to those who follow rules.—71-77