upa-√ dru P. -dravati (aor. -ádudrot, [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.]