Where does “doubletree” come from?

doubletree (English) comes from English doublé, from French doublé, from Middle French double, from Old French doble, from Latin dūplus, from Proto-Italic *duplos — double.

doubletree (English): a device that connects two horses to a wagon or...

Definitions

  1. a device that connects two horses to a wagon or...

Ancestry of “doubletree”, step by step

doubletree traces back through two separate lines of ancestry.

via English doublé

StepLanguageWordMeaning
1EnglishdoubléA compound attack that deceives the opponent's...
2Frenchdoublédouble, brace, pair; double; doublé
3Middle Frenchdouble—
4Old Frenchdobledouble
5Latindūplusdouble (twice as much, or as big)
6Proto-Italic*duplosdouble

via English tree

StepLanguageWordMeaning
1EnglishtreeA perennial woody plant, not exactly defined, but...
2Middle EnglishtreA tree or a plant that resembles one
Every word from Proto-Italic *duplos →