Rigveda 1.164.28
गौर॑मीमे॒दनु॑ व॒त्सं मि॒षन्तं॑ मू॒र्धानं॒ हिङ्ङ॑कृणो॒न्मात॒वा उ॑ ।सृक्वा॑णं घ॒र्मम॒भि वा॑वशा॒ना मिमा॑ति मा॒युं पय॑ते॒ पयो॑भिः॥
gauramīmedanu vatsaṃ miṣantaṃ mūrdhānaṃ hiṅṅakṛṇonmātavā u |sṛkvāṇaṃ gharmamabhi vāvaśānā mimāti māyuṃ payate payobhiḥ ||
Our plain-language meaning of this verse is waiting for scholar review.