Somavaṃśa-prasavaḥ
Birth of the Lunar Line: Budha–Purūravas and the Urvaśī Episode
घृतमात्रं तथाऽहारः कालमेकं तु पार्थिव / यद्येष समयो राजन्यावत्कालश्च ते दृढः
ghṛtamātraṃ tathā'hāraḥ kālamekaṃ tu pārthiva / yadyeṣa samayo rājanyāvatkālaśca te dṛḍhaḥ
O king of the earth, let her food be only ghee, and the term be but one fixed period—O ruler, so long as this covenant of time stands firm for you.