upadru
upa-√ dru P. -dravati ( aor. -a/dudrot , RV. ) to run near or towards; to run at, rush at, oppress, assault, attack, RV. ii, 30, 3 ; iv, 16, 1 ; AV. vii, 73, 6 ; xviii, 2, 23 ; TS. ; ChUp. ; to sing the Upa-drava or fourth of the five parts of a Sāman stanza, AitĀr. ii, 3, 4, 3.