Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 75: The History of the Bows of Lord Śiva and Lord Viṣṇu
Text 1.75.7

भार्गवाणां कुले जातः स्वाध्यायव्रतशालिनाम्।
सहस्राक्षे प्रतिज्ञाय शस्त्रं निक्षिप्तवानसि॥

bhārgavāṇāṁ kule jātaḥ svādhyāya-vrata-śālinām
sahasrākṣe
pratijñāya śastraṁ nikṣiptavān asi

bhārgavāṇām = of the Bhārgavas; kule = in the dynasty; jātaḥ = born; svādhyāya-vrata-śālinām = who are habituated to Vedic study and vows; sahasra-akṣe = in the presence of the thousand-eyed Indra; pratijñāya = you have promised [to abandon weaponry and]; śastram = weaponry; nikṣiptavān asi = you have abandoned.

Born in the dynasty of the Bhārgavas who are habituated to Vedic study and vows, you have promised in the presence of the thousand-eyed Indra [to abandon weaponry and] you have abandoned weaponry.