āyuṣo 'rdham athātyagāt

tasyam-within her; ajanayat-he begot; putran-sons; puranjanyam-in Puranjani; puranjanah-King Puranjana; satani-hundreds; ekadasa-eleven; virat-O King; ayusah-of life; ardham-half; atha-in this way; atyagat-he passed.