le‧ger‧de‧main /ˌledʒədəˈmeɪn $ -dʒər-/
noun [uncountable] old-fashioned[
Date: 1400-1500;
Language: French;
Origin: léger de main 'light of hand']
when you deceive people cleverly:
economic legerdemain [TahlilGaran] Dictionary of Contemporary English ▲