Skandapurana 1.2.25.22

1.2.25.22

21 atha śrīśaṅkareṇa jagadambāyāḥ praśaṃsāpūrvakaṃ pārśve niveśanam, stanyārthinaṃ skandaṃ vihāya tapo'rthaṃ pārvatyāḥ śivasakāśato nirgamanakāraṇācchrīśaṃkareṇa jagadambāyāṃ apītakuceti nāmakaraṇam, mahiṣāsuramardinyā durgāyāḥ śrījagadambāsamīpe'vasthānam, khaḍgatīrthasya gautamamaharṣeḥ saptamātṛkādīnāṃ ca śrīśaṅkareṇa varapradānavarṇanam 254

21. Now the placing of the Mother of the Universe at his side by the venerable Śaṃkara after praising her; because Pārvatī had departed from Śiva's presence for the sake of austerity leaving behind Skanda who was seeking her breast, the venerable Śaṃkara giving the Mother of the Universe the name Apītakucā; Durgā, the slayer of Mahiṣāsura, remaining near the venerable Mother of the Universe; the description of the conferring of boons by the venerable Śaṃkara upon the Khaḍgatīrtha, the great sage Gautama, and the Seven Mothers and others... 254