indrasenas tu tat-sutaḥ

citrasenah-one named Citrasena; narisyantat-from Narisyanta, another son of Manu; rksah-Rksa; tasya-of Citrasena; sutah-the son; abhavat-became; tasya-of him (Rksa); midhvan-Midhvan; tatah-from him (Midhvan); purnah-Purna; indrasenah-Indrasena; tu-but; tat-sutah-the son of him (Purna).