RV 1.163.2
यमेन दत्तं त्रित एनम् आयुनग् इन्द्र एणम् प्रथमो अध्य् अतिष्ठत् । गन्धर्वो अस्य रशनाम् अगृभ्णात् सूराद् अश्वं वसवो निर् अतष्ट ॥
yamena dattaṃ trita enam āyunag indra eṇam prathamo adhy atiṣṭhat | gandharvo asya raśanām agṛbhṇāt sūrād aśvaṃ vasavo nir ataṣṭa ||
Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST 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)