(පිළි emp., සිඹියා knowledge. පටිසමගිදාන), the four kinds of knowledge attained by Rahats, viz. of meaning, අර්ථ, of religious doctrines, ධර්ම, of commentaries on the same, නිරුක්ති, and superhuman enlightenment ප්රතිහාන.
Carter, Charles. A Sinhalese-English dictionary. Colombo: The "Ceylon Observer" Printing Works; London: Probsthain & Co., 1924.