Rigveda 10.104.5
प्रणी॑तिभिष्टे हर्यश्व सु॒ष्टोः सु॑षु॒म्नस्य॑ पुरु॒रुचो॒ जना॑सः ।मंहि॑ष्ठामू॒तिं वि॒तिरे॒ दधा॑ना स्तो॒तार॑ इन्द्र॒ तव॑ सू॒नृता॑भिः॥
praṇītibhiṣṭe haryaśva suṣṭoḥ suṣumnasya pururuco janāsaḥ |maṃhiṣṭhāmūtiṃ vitire dadhānā stotāra indra tava sūnṛtābhiḥ ||
Our plain-language meaning of this verse is waiting for scholar review.