duenna
/djuːˈenə/noun
- an older woman acting as a governess and companion in charge of girls, especially in a Spanish family; a chaperone（尤指西班牙家庭中照看和陪伴少女的）女家庭教师; 在社交场合陪伴少女的年长妇女。
词源
mid 17th cent.: earlier form of Spanish dueña, from Latin domina 'lady, mistress'.