arch·duke
noun/ˌɑːtʃˈdjuːk/
/ˌɑːrtʃˈduːk/
- (in the past) a son of the Emperor of Austria
大公（旧时奥地利皇太子） - Archduke Franz Ferdinand
弗兰茨 · 斐迪南大公
Word Originearly 16th cent.: from Old French archeduc, from Latin archidux, archiduc-, from archi- ‘chief’ + dux, duc- ‘leader’; related to ducere ‘to lead’. - Archduke Franz Ferdinand