√Sad2 'fall'
perfect: SaSAda Sedus [aorist: [2.] aSadat ]future: [1.] Satsyati -- [2.] SattA verbal: Sanna [secondary: intensive: SASad- -- desiderative: SISatsa- -- causative: SAdaya- ]derivatives: Sada S/Ada V.B. SAdana C. Compare √Sat, assigned by the grammarians to this root as another causative, and √1SI, regarded by them as its present-system.