Rigveda 2.15.6

सोद॑ञ्चं॒ सिन्धु॑मरिणान्महि॒त्वा वज्रे॒णान॑ उ॒षस॒: सं पि॑पेष ।अ॒ज॒वसो॑ ज॒विनी॑भिर्विवृ॒श्चन् त्सोम॑स्य॒ ता मद॒ इन्द्र॑श्चकार॥

sodañcaṃ sindhumariṇānmahitvā vajreṇāna uṣasa: saṃ pipeṣa |ajavaso javinībhirvivṛścan tsomasya tā mada indraścakāra ||

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