The powerful and supreme Lord Mahadeva in the form of Varuna which he had assumed for this sacrifice had first, О learned Brahmana, adopted both Kavi and Angirasa. Hence, these two are considered as of Varuna.
वरुणश्चादितो विप्र जग्राह प्रभुरीश्वरः। कविं तात भृगुं चापि तस्मात् तौ वारुणो स्मृतौ।।