Where does “celynderhut” come from?

celynderhut (Silesian) comes from German Zylinderhut, from German hūt, from Middle High German huot, from Old High German huot, from Proto-West Germanic hōd, from Proto-Germanic hōdaz, from Proto-Indo-European kadʰ- — to guard, cover, protect, care for; to guard,...

celynderhut (Silesian): top hat