"to obstruct with a barricade," 1590s, from barricade (n.). Related: Barricaded; barricading.
"hastily made fortification for defense or to obstruct the progress of an enemy," 1640s, from Middle French barricade, from Spanish barricada, literally "made of barrels," from barrica "barrel," from barril (see barrel (n.)). Earlier was barricado (1580s) with false Spanish ending (see -ado). Revolutionary associations began during 1588 Huguenot riots in Paris, when large barrels filled with earth and stones were set up in the streets. Related: Barricades.