A Thera of Sri Lanka. He was a pupil of Sāriputta and Medhaṅkara. He wrote several books dealing with grammar, rhetoric, and prosody: the Vuttodaya, Subodhālankāra, Susaddasiddhi, Sambandhacintā, Yogavinicchaya and Khuddasikkhā Subcommentary (ṭīkā). P.L.C.197 f; Gv.6. 66. 71; Sis. 69. 70; Svd.1209.