ver·big·er·a·tion 
(vər-bĭj′ə-rāshən)
(vər-bĭj′ə-rāshən)n.
Obsessive repetition of words and phrases, especially as a symptom of mental illness.
[From Latin verbigerātus, past participle of verbigerāre, to chat, dispute, from *verbiger, carrying words : verbum, word; see VERB + gerere, to carry.]