Rigveda 10.49.2
मां धु॒रिन्द्रं॒ नाम॑ दे॒वता॑ दि॒वश्च॒ ग्मश्चा॒पां च॑ ज॒न्तव॑: ।अ॒हं हरी॒ वृष॑णा॒ विव्र॑ता र॒घू अ॒हं वज्रं॒ शव॑से धृ॒ष्ण्वा द॑दे॥
māṃ dhurindraṃ nāma devatā divaśca gmaścāpāṃ ca jantava: |ahaṃ harī vṛṣaṇā vivratā raghū ahaṃ vajraṃ śavase dhṛṣṇvā dade ||
Our plain-language meaning of this verse is waiting for scholar review.
