Rigveda 7.2.4

स॒प॒र्यवो॒ भर॑माणा अभि॒ज्ञु प्र वृ॑ञ्जते॒ नम॑सा ब॒र्हिर॒ग्नौ ।आ॒जुह्वा॑ना घृ॒तपृ॑ष्ठं॒ पृष॑द्व॒दध्व॑र्यवो ह॒विषा॑ मर्जयध्वम्॥

saparyavo bharamāṇā abhijñu pra vṛñjate namasā barhiragnau |ājuhvānā ghṛtapṛṣṭhaṃ pṛṣadvadadhvaryavo haviṣā marjayadhvam ||

Our plain-language meaning of this verse is waiting for scholar review.