Śatapatha Brāhmaṇa ("of a hundred paths") 14.1.3.26

14.1.3.26

atha vaikaṅkatau śakalau pariśrayati prāñcau svāhā marudbhiḥ pariśrīyasvetyavaraṃ svāhākāraṃ karoti parāṃ devatāmeṣa vai svāhākāro ya eṣa tapatyeṣa u pravargyastadetamevaitatprīṇāti tasmādavaraṃ svāhākāraṃ karoti darāṃ devatām

He then lays pieces of (split) Vikaṅkata wood round (the Mahâvîra), two pointing to the east, with (Vâg. S. XXXVII, 13), 'Hail! be thou encompassed by the Maruts!'--the call of 'hail!' he places first, and the deity last; for the call of 'hail!' is he who shines yonder, and the Pravargya also is that (sun): it is him he thus gratifies; and hence he places the call of 'hail!' first, and the deity last.