escalade (n.)

1590s, "action of using ladders to scale the walls of a fortified place," from French escalade (16c.) "an assault with ladders on a fortification," from Italian scalata, fem. past participle of scalare "to climb by means of a ladder," from scala "ladder," related to Latin scandere "to climb" (see scan). For initial e-, see e-. Also in early use in English in Spanish form escalada, later corrupted to escalado. As the name of a brand of luxury SUV by Cadillac, from 1999.

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Definitions of escalade from WordNet
escalade (v.)
climb up and over;
They had to escalade canyons to reach their destination
escalade (n.)
an act of scaling by the use of ladders (especially the walls of a fortification);