upadas
upa-√ das P. -dasyati ( Subj. -dasat , RV. i, 139, 5 ; AV. v, 30, 15 ) to fail, be wanting, be extinguished or exhausted, dry up, RV. ; AV. iii, 29, 2 , 6 ; v, 30, 15 ; TS. i, 6, 3, 3 ; ŚBr. ; TāṇḍyaBr. ; GopBr. ; Kauś. ; to want, lose, be deprived of ( instr. ), AV. xii, 4, 2 : Caus. -dAsayati , to cause to fail or cease, extinguish, AV. xii, 5, 27 ; 52 ; TBr. ; Nir.