√siD2 'succeed'
present: [4.] s/iDyati etc. s/iDyate etc. E.+ perfect: sizeDa aorist: [1.] siDyAsam aseDi -- [2.] asiDat -- [3.] asIziDat -- [4.] sEtEt future: [1.] setsyati setsyate etc. E.+ -- [2.] sedDA verbal: sidDa seDitvA siDitvA sidDvA [secondary: seziD- sizitsa- seDaya- ]derivatives: -siD sidDi U.+ siDm/a RV. siDr/a RV. -s/iDvan RV. Appears to be a weakened form of √sAD. Grassmann, however, considers 1siD and 2siD as one root, and there are in fact some difficulties in their separation.