Śatapatha Brāhmaṇa ("of a hundred paths") 6.7.2.9

6.7.2.9

tametayā vikṛtyā | ita ūrdhvam prāñcam pragṛhṇātyasau vā āditya eṣo 'gniramuṃ tadādityamita ūrdhvam prāñcaṃ dadhāti tasmādasāvāditya ita ūrdhvaḥ prāṅ dhīyate parobāhu pragṛhṇāti parobāhu hyeṣa ito 'thainamupāvaharati tamupāvahṛtyoparinābhi dhārayati tasyokto bandhuḥ

With that fashioning (formula) he holds him high up from thence towards east; for he, Agni, is yonder sun: he thus places yonder sun high up from here in the east; and hence yonder sun is placed high up from here in the east. He holds him up so as to be beyond the reach of the arms, for he (the sun) is beyond the reach of the arms from here. He then lowers him, and, having lowered him, he holds him above the navel: the significance of this has been explained.