So ( cf. √ 1. Si ) cl. 3. P. Ā. SiSAti , Si/SIte (accord to, Dhātup. xxvi, 36 also cl. 4. P. Syati cf. ni-√ So ; pf. SaSO Gr. ; p. SaSAna/ , AV. ; aor. aSIta cf. saM-√ So ; aSAt or aSAsIt Gr. ; Prec. SAyAt , ib. ; fut. SAtA , SASyati , ib. ; ind. -SA/ya , AV. ), to whet, sharpen ( Ā. ‘one's own’ weapons or horns), RV. ; AV. ; Hariv. : Pass. SAyate Gr. : Caus. SAyayati , ib. ; Desid. SiSAsati , ib. : Intens. SASAyate , SaSeti , SASAti , ib. [? cf. Gk. ἀκή &c.]
So 4 P. ( Syati, SAta or Sita , pass. ( pb ) SAyate ; caus. SAyayati ; desid. SiSAsAtaM ) 1 To sharpen, whet. 2 To make thin, attenuate.