doppel-

Back-formation from doppelganger.

doppel-

1. Indicating remarkable similarity to, or duplication of, the referenced person or object.
   • 2019 August 12, Dan Shive, El Goonish Shive (webcomic), Comic for Monday, Aug 12, 2019:

     "It helps when she's doing non-Susany stuff, like bowling and getting close with Lucy, but she was an extroverted doppel-Susan away from the lanes."

From doppel in compounds; compare doppelt.

• IPA^(key): /ˈdɔpl̩/

doppel-

1. Indicates a doubling of the following noun; double-.

   ‎doppel- + ‎Bett (“bed”) → ‎Doppelbett (“double bed”)

   ‎doppel- + ‎Beschluss (“decision”) → ‎Doppelbeschluss (“double-track decision”)

   ‎doppel- + ‎Spitze (“leadership”) → ‎Doppelspitze (“dual leadership”)

• Doppel

• “doppel-” in Digitales Wörterbuch der deutschen Sprache