pleonasm
Redundancy in wording.
uncountable
St. Jerome and St. Augustine are both sparing in the employment of the device of pleonasm.
A phrase involving pleonasm; a phrase containing one or more words which are redundant because their meaning is expressed elsewhere in the phrase.
countable
Where it comes from
Learned borrowing from Late Latin pleonasmus, from Ancient Greek πλεονασμός (pleonasmós), from πλεονάζω (pleonázō, “to be superfluous”), from πλείων (pleíōn, “more”).
Adapted from the Wiktionary entry pleonasm (CC BY-SA 4.0).