Śatapatha Brāhmaṇa ("of a hundred paths") 1.2.2.12

1.2.2.12

so 'bhimṛśati | agniṣṭe tvacam mā hiṃ sīdityagninā vā enametadabhitapsyanbhavatyeṣa te tvacam mā hiṃsīdityevaitadāha

He touches it over, with the text (Vâg. S. I, 22): 'May the fire not injure thy skin!' for on the fire he is now going to heat it: 'May that (fire) not injure thy skin!' this is what he thereby says.