Rigveda 3.51.1

गाथिनो विश्वामित्रः।इन्द्रः। त्रिष्टुप्, १-३जगती, १०-१२ गायत्री। · gāthino viśvāmitraḥ |indraḥ | triṣṭup, 1-3jagatī, 10-12 gāyatrī |

च॒र्ष॒णी॒धृतं॑ म॒घवा॑नमु॒क्थ्य१मिन्द्रं॒ गिरो॑ बृह॒तीर॒भ्य॑नूषत ।वा॒वृ॒धा॒नं पु॑रुहू॒तं सु॑वृ॒क्तिभि॒रम॑र्त्यं॒ जर॑माणं दि॒वेदि॑वे॥

carṣaṇīdhṛtaṃ maghavānamukthya1mindraṃ giro bṛhatīrabhyanūṣata |vāvṛdhānaṃ puruhūtaṃ suvṛktibhiramartyaṃ jaramāṇaṃ divedive ||

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