Author of the Abhidhammatthasaṅgaha, Paramatthavinicchaya, Nāmarūpapariccheda and, perhaps, of the Anuruddha Śataka (Gv.61, 67; SdS. 64; Sas.69). He was an incumbent of the Mūlasoma-vihāra and probably lived in the eleventh or twelfth century. For details see P.L.C., s.v.