सः कपिः that Hanuman, अस्त्रस्य astra's, वीर्यम् power, विचार्य reflecting, आत्मनः in himself, पितामहानुग्रहं च by the favour of Brahma, विमोक्षशक्तिम् the power of liberation from bondage, परिचिन्तयित्वा recalling about, पितामहाज्ञाम् by the order of Brahma, अनुवर्तते स्म he obeyed

Reflecting within himself about the power of the astra, Hanuman recalled Braham's favour to him. He recalled his own power to liberate himself from the Brahmastra and resolved to abide by the order of Brahma.