Bąk (m)
Secondary (!) synonym of Dudy, occurring since the 16th century; It is uncertain if the term was first used for the entire bagpipe or for its drone only; NB¹: ➺ Bąk (drone) for the remark on the etymology of the term; NB²: ➺ homonyms, &c.
Przerembski, Zbigniew Jerzy: Dudy: dzieje instrumentu w kulturze staropolskiej ([The bagpipe: the history of the instrument in old Polish culture]). Warszawa, 2006, p.34 (»Szydłowska-Ceglowa).
Kopoczek, Alojzy: Ludowe instrumenty muzyczne polskiego obszaru karpackiego: instrumenty dęte (Folk instruments in the Polish Carpathian region: wind instruments). Rzeszów, 1996, p.140.