Meaning

noun a deceptive maneuver (especially to avoid capture)

originFrom Middle English rūse (“evasive movements of a pursued animal; circuitous course taken by a hunter to pursue a game animal”), from Old French rëuse, ruse (“evasive movements of a pursued animal; trickery”) (modern French ruse (“trick, ruse; cunning, guile”)), from ruser (“to use cunning, to be crafty, beguile”), possibly from Latin rursus (“backward; on the contrary; again, in return”) or…

Etymology from Wiktionary, CC BY-SA 3.0