Where does “Doppelbuchstabe” come from?

Doppelbuchstabe (German) comes from German doppel-, from German Doppel, from Middle Dutch dubbel, from French doublé, from Middle French double, from Old French doble, from Latin dūplus, from Proto-Italic *duplos — double.

Doppelbuchstabe (German): homogeneous digraph, double letter, doubled letter

Definitions

  1. homogeneous digraph, double letter, doubled letter

Ancestry of “Doppelbuchstabe”, step by step

StepLanguageWordMeaning
1Germandoppel-duplicate, double; double
2GermanDoppeldoubles; duplicate
3Middle Dutchdubbel—
4Frenchdoublédouble, brace, pair; double; doublé
5Middle Frenchdouble—
6Old Frenchdobledouble
7Latindūplusdouble (twice as much, or as big)
8Proto-Italic*duplosdouble
Every word from Proto-Italic *duplos →