Where does “Dachstuhl” come from?

Dachstuhl (German) comes from German dach, from Middle High German dach, from Old High German dag, from Old High German tag, from Proto-West Germanic dag, from Proto-Germanic dagaz, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

Dachstuhl (German): roof truss, roof timbering

Definitions

  1. roof truss, roof timbering

Ancestry of “Dachstuhl”, step by step

Dachstuhl traces back through two separate lines of ancestry.

via German dach

StepLanguageWordMeaning
1Germandach
2Middle High Germandach
3Old High Germandag
4Old High Germantagday
5Proto-West Germanicdagday
6Proto-Germanicdagazday; name of the D-rune
7Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

via German stuhl

StepLanguageWordMeaning
1Germanstuhla chair (to sit on)
2Middle High Germanstuolseat, chair, stool
3Old High Germanstuolchair; seat, bench; throne
4Proto-West Germanic*stōlstool, chair
5Proto-Germanicstōlazstool; throne; chair
6Proto-Indo-Europeanstoh₂losframe, rack, stand
7Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European dʰegʷʰ-Every word from Proto-Germanic dagazEvery word from Proto-West Germanic dag