Śatapatha Brāhmaṇa ("of a hundred paths") 6.5.4.11

6.5.4.11

tāṃ sāvitreṇa yajuṣvodapati | savitā vai prasavitā savitṛprasūta evaināmetadudvapati devastvā savitodvapatu supāṇiḥ svaṅguriḥ subāhuruta śaktyeti sarvamu hyetatsavitā

He clears it (of the ashes) with a prayer relating to Savitri,--for Savitri is the impeller: impelled by Savitri, he thus clears it--[Vâg. S. XI, 63] 'May the divine Savitri, the well-handed, well-fingered, and well-armed, clear thee by his might!'--for Savitri is all that.