Dudel-sack (m)
(with) definite article: derAccording to Kuhač, who refers to Bénédict Pictet (1655-1724) as his source, a combination of Slavic dude and German sack [sic]; NB: ➺ my remark to Taut.
Kuhač, Franjo Š. [Šaver]: Prilog za poviest glasbe južnoslovjenske: Gajde [Contribution to the history of South Slavic music: Bagpipes]. In: Rad jugoslavenske akademije znanosti i umjetnosti, knjiga L (Zagreb, 1879), p.68 ( (dudel-sack [sic]; »Pictet), 73 (dudel-sack [sic]).