來自法語leger de main,手法，花招，leger,輕的，快的，詞源同light,main,手，詞源同manual.
英文詞源
legerdemain (n.)
early 15c., "conjuring tricks," from Middle French léger de main "quick of hand," literally "light of hand," from léger "light" in weight (from Latin levis "light;" see lever) + main "hand" (from Latin manus; see manual).
雙語例句
1. The lawyer confused the jury with his legal legerdemain.