duenna

n (esp in Spain and Portugal) elderly woman acting as governess and chaperon to the daughters of a family （尤指在西班牙和葡萄牙）（家庭里女孩子的）保姆, 陪媪.

duchy, duck, duck-boards, duck-yard, ducking, duckling, ducks and drakes, duckweed, duct, ductile, ductility, ductless gland, dud, dude, dudgeon, duds, due, due to, duel, duellist, duet, duff, duffer, duffle (also duffel), duffle bag, duffle-coat, dug, dug-out, duke, dukedom, dulcet, dulcimer, dull, dullard, dullness, dully, duly, dumb, dumb show, dumb waiter,