reduplication of letters or syllables in writing, printing, etc., usually through error.
Origin of dittography
1870–75; < Greek dittographía, dialectal variant of dissographía, equivalent to dissó(s) double + -graphia -graphy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural -phies
the unintentional repetition of letters or words
a passage of manuscript demonstrating dittography
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012