Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 6.1.10

6.1.10

reto vā asicāmahai tan no māmuyā bhūd iti /

vi. 1. Prajāpati, being desirous of propagation, underwent penance; from him when heated were born five, Agni, Vāyu, Āditya, Candramas, and Uṣas as fifth. He said to them, ‘Do ye also practise fervour.’ They consecrated themselves; then when they had consecrated themselves and had acquired fervour, Uṣas, offspring of Prajāpati, taking the form of an Apsaras, came out in front of them; to her their minds inclined; they poured out seed; they went to Prajāpati, their father, and said, ‘We have poured out seed; let it not remain here ’. Prajāpati made a golden bowl, an arrow breadth in height and similar in breadth; in it he poured the seed; then arose he of a thousand eyes, of a thousand feet, with a thousand fitted (arrows).