√tu 'be strong'
present: [2.] tavIti tOti perfect: tUtAva tUtos tUtot secondary: intensive: t/avItuat derivatives: tavA-? t/avya RV. tavy`a TS. t/avas V.B.S. tav/as V. taviz/a V. t/avizI RV. t/avIyas V. t/avyas RV. tIvr/a V.+ t/umra? RV. tur/a V.+ tuv/i- V.VS. t/uvis- V.B. t/Uya V. tUtum/a? RV.