Rigveda 4.35.6
यो व॑: सु॒नोत्य॑भिपि॒त्वे अह्नां॑ ती॒व्रं वा॑जास॒: सव॑नं॒ मदा॑य ।तस्मै॑ र॒यिमृ॑भव॒: सर्व॑वीर॒मा त॑क्षत वृषणो मन्दसा॒नाः॥
yo va: sunotyabhipitve ahnāṃ tīvraṃ vājāsa: savanaṃ madāya |tasmai rayimṛbhava: sarvavīramā takṣata vṛṣaṇo mandasānāḥ ||
Our plain-language meaning of this verse is waiting for scholar review.