adroit (adj.)youdaoicibaDictYouDict[adroit 词源字典]
1650s, "dexterous," originally "rightly," from French adroit, from phrase à droit "according to right," from Old French à "to" (see ad-) + droit "right," from Late Latin directum "right, justice," accusative of Latin directus "straight" (see direct (v.)). Related: Adroitly; adroitness.[adroit etymology, adroit origin, 英语词源]