palilogy
/pəˈlɪlədʒi/(also palillogy) Rhetoric
noun
The (especially immediate) repetition of a word or phrase, usually for emphasis; (occasionally) an instance of this.
Origin
Early 18th century; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From post-classical Latin palillogia or its etymon ancient Greek παλιλλογία palilogia; compare -logy.