Where does “dobel” come from?

dobel (Old Swedish) comes from German Dübel, from Middle High German tübel, from Old High German tubil, from Proto-Germanic dubilaz, from Proto-Germanic dubjaną, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “dobel”, step by step

dobel traces back through 3 separate lines of ancestry.

via German Dübel

StepLanguageWordMeaning
1GermanDübeldowel
2Middle High Germantübel
3Old High Germantubil
4Proto-Germanicdubilazpeg; dowel
5Proto-Germanicdubjanąto fit
6Proto-Indo-Europeandʰewbʰ-deep
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Dutch dubbel

StepLanguageWordMeaning
1Dutchdubbeldouble, twofold; ambivalent; ambiguous
2Middle Dutchdobbel
3Old Frenchdobledouble
4Latindūplusdouble (twice as much, or as big)
5Proto-Italic*duplosdouble

via Old French double

StepLanguageWordMeaning
1Old Frenchdouble

Words derived from “dobel

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Germanic dubjaną