Borrowed from Ottoman Turkish دوشك (döşek).
дюше́к • (djušék) m
- thick cushion, pad typically serving as a bed mattress
- Synonyms: (dialectal) пу́хина (púhina), (dialectal) пу́ховина (púhovina)
- “дюшек”, in Речник на българския език (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
- “дюшек”, in Речник на българския език (in Bulgarian), Chitanka, 2010