Rigveda 9.66.24

पव॑मान ऋ॒तं बृ॒हच्छु॒क्रं ज्योति॑रजीजनत् ।कृ॒ष्णा तमां॑सि॒ जङ्घ॑नत्॥

pavamāna ṛtaṃ bṛhacchukraṃ jyotirajījanat |kṛṣṇā tamāṃsi jaṅghanat ||

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