upaviz
upa-√ viz P. -vivezwi ( RV. ; -vevezwi , ŚBr. ; Impv. 2. sg. -viqQi , TBr. ) to be active for; to obtain or gain by activity, RV. x, 61, 12. ; to perform service, be effective or useful for ( esp. said of the Upa-veṣa below), ŚBr. i, 2, 1, 3 ; TBr. iii, 3, 11, 1.