Pitṛgaṇa-Vibhāga (Classification of the Pitṛs) and the Śrāddha–Soma Nourishment Cycle
कृत्तिकाभिस्तु यस्मात्स वर्द्धितो हि पुरातनः / कार्त्तिकेय इति ख्यातस्तस्मादसुरसूदनः
kṛttikābhistu yasmātsa varddhito hi purātanaḥ / kārttikeya iti khyātastasmādasurasūdanaḥ
Since that ancient Deity was nurtured by the Kṛttikās, he became renowned as Kārttikeya—the slayer of the Asuras.