Where does “Doppelgängerin” come from?

Doppelgängerin (German) comes from German Doppelgänger, from German doppel-, from German Doppel, from Middle Dutch dubbel, from French doublé, from Middle French double, from Old French doble, from Latin dūplus — double.

Ancestry of “Doppelgängerin”, step by step

StepLanguageWordMeaning
1GermanDoppelgängerdoppelganger, doppelgänger
2Germandoppel-duplicate, double; double
3GermanDoppeldoubles; duplicate
4Middle Dutchdubbel
5Frenchdoublédouble, brace, pair; double; doublé
6Middle Frenchdouble
7Old Frenchdobledouble
8Latindūplusdouble (twice as much, or as big)
9Proto-Italic*duplosdouble
Every word from Proto-Italic *duplosEvery word from Latin dūplusEvery word from Old French doble