duenna
/duːˈɛnə
/noun
An older woman acting as a governess and companion in charge of girls, especially in a Spanish family; a chaperone.She brought an entourage of some sixty people, from her aristocratic duenna, Dona Elvira, to her bishops and chaplains, her ladies, her pages, her fool, her butler and her cooks....
- But, in spite of a large padlock on the door, Leander, a young lover, presents himself during Diego's absence, cajoles the duenna and Mungo, the servant, and gains admission to the lady.
Origin
Mid 17th century: earlier form of Spanish dueña, from Latin domina 'lady, mistress'.