Bṛhadāraṇyaka Upaniṣad ("Great Forest Teaching") 6.4.3

6.4.3

tasyā vedirupastho lomāni barhiścarmādhiṣavaṇe samiddho madhyatastau muṣkau sa yāvānha vai vājapeyena yajamānasya lokobhavati tāvānasya loko bhavati ya evaṃ vidvānadhopahāsaṃ caratyāsām̐ strīṇām̐ sukṛtaṃ vṛṅkte'tha ya idamavidvānadhopahāsaṃ caratyāsya striyaḥ sukṛtaṃ vṛñjate

Tasyâ vedir upastho, lomâni barhis, karmâdhishavane, samiddho madhyatas, tau mushkau. Sa yâvân ha vai vâgapeyena yagamânasya loko bhavati tâvân asya loko bhavati ya evam vidvân adhopahâsam karaty a sa strînam sukritam vriṅkte 'tha ya idam avidvân adhopahâsam karaty âsya striyah sukritam vriñgate.