You searched for: “dittography
dittography (s) (noun), dittographies (pl)
1. Double writing; the unintentional repetition of a letter or a word, or a series of letters or words, by a copyist: "The written material had some dittographies, or unintentionally repeated words, all of which had to be deleted from the context or be corrected."
2. Etymology: from Greek dittos, "double" + graphy; from Greek -graphia, "writing, drawing".
This entry is located in the following units: dic-, dict- (page 5) grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 25)