śikhaṇḍinyāṁ su-sammatam

antardhana-of disappearance; gatim-achievement; sakrat-from King Indra; labdhva-getting; antardhana-of the name; samjnitah-so nominated; apatya-children; trayam-three; adhatta-begot; sikhandinyam-in Sikhandini, his wife; su-sammatam-approved by everyone.