The hymn extols the purification and offering of सोम for इन्द्र . The अध्वर्यु priest is urged to filter and purify सोम for इन्द्र 's consumption and exhilaration, emphasizing its heavenly sweetness. सोम provides nourishment and protection, partaking by deities, including इन्द्र and the मरुत्स् , is celebrated, calling for rapid effusion and blessings of food and fame [rv-9-51-1 ] rv • Book 9