A variant spelling of 'doppelgänger'; an exact double or ghostly duplicate of a living person.
English adaptation of German 'Doppelgänger' (literally 'double-goer'), where 'doppel' means double and 'gänger' means goer or walker; the anglicized spelling varies.
The concept of the doppelgänger fascinated Romantic-era writers because it embodies the uncanny—meeting your exact double suggests something is fundamentally wrong with reality—and different languages spelled it differently, showing how this German Gothic idea spread across European cultures.
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