notes

In the Shatapatha Brahmana, Manu performed a fire-sacrifice in order to have children. Idā emerged from the sacrifice. She was claimed by Mitra-Varuna, but she lived with Manu and together they initiated the race of Manu.[23][25] In this text, Idā is the goddess of the sacrificial meal. She is described as the Mānavi (daughter of Manu) and Ghṛtapadī (with the ghee-dripping foot) and she is represented by a cow, also known as Idā during a sacrifice.[26][27] Pururavas is mentioned as the son of Ilā in the text.[28]

http://en.wikipedia.org/wiki/Ila_%28Hinduism%29

Together with the atmosphere, O thou who art full of strength, protect the white (karkî) calf, O thou swift steed (the sun)! Here are many drops (of ghee) for thee; come hither! May this white calf (karkî) of thine, may thy mind, be here!

7

Together with the atmosphere, O thou who art full of strength, protect the white (karkî) calf, O thou swift steed (the sun)! Here is the fodder, here the stall, here do we tie down the calf. Whatever (are your) names, we own you. Hail!

http://www.ishwar.com/hinduism/holy_atharva_veda/book07/