Verse 21

इत्युक्त्वा दानवाधीशः पुरः क्षीरोदशायिनः ।शैलेन्द्र इव पूर्णेन्दुमर्घपात्रमुपाददे

In plain words

Having said this, the lord of the dānavas, before the one who reclines upon the Milk Ocean, took up the vessel of arghya -- as the lord of mountains might lift up the full moon.