√SuD 'purify'
present: [1.] SunDati SunDate etc. -- [4.] SuDyati etc. B.+ SuDyate etc. E.+ -- [2.] SundDi [perfect: SuSoDa SuSunDa aSuDat aSUSuDat aSunDIt Sotsyati SunDizyati SodDA SunDitA ]verbal: SudD/a V.+ secondary: intensive: SoSuD- -- desiderative: SuSutsat -- causative: SoDayati etc. B.+ SoDyate SunDayati derivatives: -SoDa SoDaka E.+ SoDin C. SoDya C. S/unDana B. SoDana S.+ SoDanIya C. S/udDi B.+ SunDy/u V.B. SoDayitavya C.