√kas 'open'
present: [1.] kasati etc. perfect: cakase aorist: [3.] acIkasat [future: kasizyati kasitA ]verbal: kasta kasita S.+ secondary: intensive: canIkas- -- desiderative: cikasiza- -- causative: kAsayati etc. kAsyate derivatives: kasanA? -kasuka AV.+ -kasti TS. -kasvara C. -kAsa E. -kAsaka C. -kAsin S.+ -kAsana C. -kAsanIya C.