Rigveda 4.39.5
इन्द्र॑मि॒वेदु॒भये॒ वि ह्व॑यन्त उ॒दीरा॑णा य॒ज्ञमु॑पप्र॒यन्त॑: ।द॒धि॒क्रामु॒ सूद॑नं॒ मर्त्या॑य द॒दथु॑र्मित्रावरुणा नो॒ अश्व॑म्॥
indramivedubhaye vi hvayanta udīrāṇā yajñamupaprayanta: |dadhikrāmu sūdanaṃ martyāya dadathurmitrāvaruṇā no aśvam ||
Our plain-language meaning of this verse is waiting for scholar review.