babushka
/bəˈbuːʃkə/noun
1- (in Russia) an old woman or grandmother（俄罗斯）老婆婆; 祖母。
1.1
- N. Amer. a headscarf tied under the chin, typical of those traditionally worn by Russian women〈北美〉婆婆头巾（在颏下打结的头巾, 尤指俄罗斯妇女戴的头巾）。
词源
Russian， 'grandmother'.