√srIv 'fail'
present: [4.] arIvyanti [perfect: sisreva asrevIt srevizyati srevitA srUta srevitvA srUtvA ]secondary: intensive: sesrIv- -- desiderative: sisreviza- susrUza- -- causative: srev/ayant SrIvayati derivatives: -srIv/i? -sreman? RV. Sometimes found written with S for s.