Rigvedabrahmana 9.2

9.2

pra devaṃ devyā dhiyeti pravantaṃ tṛcaṃ prahriyamāṇāyānvāheḍāyāstvā
pade vayamitīyaṃ vā iḍāsyāṃ hīdaṃ sarvamīṭṭe jātavedo nidhīmahīti
nihitavatārdharcena nidhīyamānamanustautyagne viśvebhiḥ svanīka devaiḥ sīda
hotaḥ sva u loke cikitvānni hotā hotṛṣadane vidāna iti sannavatībhiḥ sannamanustauti tvaṃ dūtastvamu naḥ paraspā iti dūtavatyā paridadhātyabhirūpā anvāha yadyajñe 'bhirūpaṃ tatsamṛddhaṃ yajñasyaiva samṛddhai tā
vā aṣṭānvāhāṣṭākṣarā gāyatrī gāyatro vā agnirgāyatracchandāḥ svenaiva
tacchandasāgniṃ praṇayanti triḥ prathamayā triruttamayā dvādaśa saṃpadyante
dvādaśa vai māsāḥ saṃvatsaraḥ saṃvatsarasyaivāptyai tāḥ samanūktā aṣṭādaśa
gāyatryaḥ saṃpadyanta āgneyameva cchandobhiryasyaṃ ha kasya ca ṣaṭsamānasya
cchandasastā gāyatrīmabhisaṃpadyante yasya sapta tā uṣṇikaṃ yasyāṣṭau tā
anuṣṭubhaṃ yasya nava tā bṛhatīṃ yasya daśa tāḥ paṅktiṃ yasyaikādaśa tāstriṣṭubhaṃ yasya dvādaśa tā jagatīm