Rigveda 10.101.7
प्री॒णी॒ताश्वा॑न्हि॒तं ज॑याथ स्वस्ति॒वाहं॒ रथ॒मित्कृ॑णुध्वम् ।द्रोणा॑हावमव॒तमश्म॑चक्र॒मंस॑त्रकोशं सिञ्चता नृ॒पाण॑म्॥
prīṇītāśvānhitaṃ jayātha svastivāhaṃ rathamitkṛṇudhvam |droṇāhāvamavatamaśmacakramaṃsatrakośaṃ siñcatā nṛpāṇam ||
Our plain-language meaning of this verse is waiting for scholar review.