tnturai (p. 223) s. Preface, introduction, as supplying what is not given in the body of the work, பாயிரம்; [ex தந்து, gerund of தருதல், [et உரை.] (p.) தந்துரைத்தல், v. noun. Supplying what is understood and omitted in commenting, &c., வருவித்துரைத்தல். 54)