Śatapatha Brāhmaṇa ("of a hundred paths") 5.2.3.4

5.2.3.4

athāpratīkṣam punarāyanti | athānumatyā aṣṭākapālena puroḍāśena pracaratīyaṃ vā anumatiḥ sa yastatkarma śaknoti kartuṃ yaccikīrṣatīyaṃ hāsmai tadanumanyate tadimāmevaitatprīṇātyanayānumatyānumataḥ sūyā iti

They then return (to the sacrificial ground) without looking backward. He now proceeds with the cake on eight potsherds for Anumati. For Anumati is this (Earth); and whosoever knows to do that work which he intends to do, for him indeed she approves (arm-man) thereof: hence it is her he thereby pleases, thinking 'May I be consecrated, approved by that (genius of) approval!'