Borrowed from Hindi सुरपेटी (surpeṭī).
surpeti (plural surpetis)
- (music) Synonym of shruti box
2010, Deborah Lock, editor, Children's Book of Music, Dorling Kindersley Limited, →ISBN, page 33:Other Indian drone instruments include the surpeti. This is a small reed-free organ with no keys that has small bellows pumped by hand to produce the drone sound.
