Shatapatha Brahmana 9.4.1.6

9.4.1.6

puṃse pūrvasmai juhoti | atha srībhyaḥ pumāṃsaṃ tadvīryeṇātyādadhātyekasmā iva puṃse juhoti bahvībhya iva srībhyastasmādapyekasya puṃso bahvyo jāyā bhavantyubhābhyāṃ vaṣaṭkāreṇa ca svāhākāreṇa ca puṃse juhoti svānākāreṇaiva strībhyaḥ pumāṃsameva tadvīryeṇātyādadhāti

To the male (deity) he makes offering first, then to the females: he thereby endows the male pre-eminently with power. To a single male he makes offering, and to many females, whence even a single man has many wives. To the male (deity) he makes offering both with the Vashat-call and the Svâhâ-call, to the female (deities) only with the Svâhâ: he thereby endows the male pre-eminently with power.