VS 29.13
यमेन दत्तं त्रित ऽ एनम् आयुनग् इन्द्र ऽ एणं प्रथमो ऽ अध्य् अतिष्ठत् । गन्धर्वो ऽ अस्य रशनाम् अगृभ्णात् सूराद् अश्वं वसवो निर् अतष्ट ॥
yamena dattaṃ trita ' enam āyunag indra ' eṇaṃ prathamo ' adhy atiṣṭhat | gandharvo ' asya raśanām agṛbhṇāt sūrād aśvaṃ vasavo nir ataṣṭa ||
Roman (IAST) transliteration rendered by HREEM from the edition's Devanagari; the Devanagari is the edition's own.
This Steed which Yama gave hath Trita harnessed, and him, the first of all, hath Indra mounted. His bridle the Gandharva grasped. O Vasus, from out the Sun ye fashioned forth the Courser.
Translated by Ralph T. H. Griffith (1896)This is the translator's rendering of the same verse where it occurs at RV 1.163.2; the wording of this text may differ in places.