Rigveda 10.122.7
नि त्वा॒ वसि॑ष्ठा अह्वन्त वा॒जिनं॑ गृ॒णन्तो॑ अग्ने वि॒दथे॑षु वे॒धस॑: ।रा॒यस्पोषं॒ यज॑मानेषु धारय यू॒यं पा॑त स्व॒स्तिभि॒: सदा॑ नः॥
ni tvā vasiṣṭhā ahvanta vājinaṃ gṛṇanto agne vidatheṣu vedhasa: |rāyaspoṣaṃ yajamāneṣu dhāraya yūyaṃ pāta svastibhi: sadā naḥ ||
Our plain-language meaning of this verse is waiting for scholar review.