Where does “szlafcymer” come from?

szlafcymer (Kashubian) comes from German Schlafzimmer, from German Zimmer, from Middle High German zimber, from Old High German zimbar, from Proto-West Germanic *timr, from Proto-Germanic timrą, from Proto-Indo-European dem- — to build; to arrange, to put together.

Ancestry of “szlafcymer”, step by step

StepLanguageWordMeaning
1GermanSchlafzimmerbedroom (bed-room), bedchamber (bed-chamber)
2GermanZimmerroom
3Middle High Germanzimber—
4Old High Germanzimbar—
5Proto-West Germanic*timr(act of) building
6Proto-Germanictimrąbuilding; timber
7Proto-Indo-Europeandem-to build; to arrange, to put together
Every word from Proto-Indo-European dem- →Every word from Proto-Germanic timrą →Every word from Proto-West Germanic *timr →