Ranjini Obeyesekere's entry "Sinhala, Buddhist Literature in" contained in Buswell's EoB, pp. 777-779, at p. 778. A monk who composed the Amāvatura and Dharmapradīpikāva in Sinhalese.
12th century. See Bechert in: Sūryacandrāya (Swisttal-Odendorf 1998), p. 5. He quotes from the Śiṣyalekhā, the Jātakamālā, Bodhicaryāvatāra and Pramāṇavārttika.