Rishi: Unknown/unspecified in provided input (Soma Pavamāna corpus; traditionally attributed to various seers across the ninth maṇḍala)
Devata: Soma Pavamāna (the purifying Soma)
Chandas: Likely Jagatī (common in Soma Pavamāna hymns), but not determinable with certainty from the single verse without full metrical scan
Samhita Patha (Devanagari)स वाजी रोचना दिवः पवमानो वि धावति । रक्षोहा वारमव्ययम् ॥
Recitation with translationRig Veda 9.37.3
Transliterationsa vājī rocanā divaḥ pavamāno vi dhāvati | rakṣo-hā vāram avyayam ||
Translationそのソーマは、充溢の力を担う者。自らを浄めつつ、天の光輝の諸界を駆け抜ける。闇の力を討つ者として、朽ちぬ囲い――真理の囲郭――へと入る。
Word by Wordवाजीthe prize-winning/strong, swift one रोचनानिthe shining realms/lights पवमानःPavamāna (Soma), being purified वारम्a protective covering/enclosure अव्ययम्imperishable, undecaying 
