Rigveda 7.32.13

मन्त्र॒मख॑र्वं॒ सुधि॑तं सु॒पेश॑सं॒ दधा॑त य॒ज्ञिये॒ष्वा ।पू॒र्वीश्च॒न प्रसि॑तयस्तरन्ति॒ तं य इन्द्रे॒ कर्म॑णा॒ भुव॑त्॥

mantramakharvaṃ sudhitaṃ supeśasaṃ dadhāta yajñiyeṣvā |pūrvīścana prasitayastaranti taṃ ya indre karmaṇā bhuvat ||

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