That the son of the Rishi Kashyapa and Vinata, the great bird, capable of assuming any form at will, is coming to take away the Soma.
कश्यपस्य मुनेः पुत्रो विनतायाश्च खेचरः। हर्तुं सोममभिप्राप्तो बलवान्कामरूपधृक्॥