Rigveda 3.7.4
महि॑ त्वा॒ष्ट्रमू॒र्जय॑न्तीरजु॒र्यं स्त॑भू॒यमा॑नं व॒हतो॑ वहन्ति ।व्यङ्गे॑भिर्दिद्युता॒नः स॒धस्थ॒ एका॑मिव॒ रोद॑सी॒ आ वि॑वेश॥
mahi tvāṣṭramūrjayantīrajuryaṃ stabhūyamānaṃ vahato vahanti |vyaṅgebhirdidyutānaḥ sadhastha ekāmiva rodasī ā viveśa ||
Our plain-language meaning of this verse is waiting for scholar review.