√SA 'sharpen'
present: [3.] SiSAti etc. V.+ SiSanti SiSantu -- Sy/ati etc. SyAna perfect: SaSO -SaSAn/a aorist: [1.] /aSIta? aSAt SAyAt -- [6.] aSAsIt [future: SAsyati SAtA ]verbal: Sit/a V.+ SAta E.+ -S/Aya [secondary: passive: SAya- -- intensive: SASA- -- desiderative: SiSAsa- SISANsa- -- causative: SAyaya- ]derivatives: -SAna SARa? C. -Siti V.B. SiSay/a RV. Divided by BR. into two separate roots, with identical forms.