upaBū | उपBऊ | upaBU
upa-√ Bū | उप-√ Bऊ | P. (pf. Pot. 2. sg. -baBūyās | -बBऊयास् |; aor. Subj. 2. sg. -Buvas | -Bउवस् |) to come near to, approach, RV. x, 183, 2; to help, assist, RV. i, 138, 4 : Intens. -buBūśati | -बुBऊशति |, to wish to help, MBh. xii, 3514.