Rigveda 1.176.6

यथा॒ पूर्वे॑भ्यो जरि॒तृभ्य॑ इन्द्र॒ मय॑ इ॒वापो॒ न तृष्य॑ते ब॒भूथ॑ ।तामनु॑ त्वा नि॒विदं॑ जोहवीमि वि॒द्यामे॒षं वृ॒जनं॑ जी॒रदा॑नुम्॥

yathā pūrvebhyo jaritṛbhya indra maya ivāpo na tṛṣyate babhūtha |tāmanu tvā nividaṃ johavīmi vidyāmeṣaṃ vṛjanaṃ jīradānum ||

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