Epizeuxis

‖n. [ L., fr. Gr. &unr_; a fastening together, repetition, fr. &unr_; to fasten to or upon; 'epi` upon + &unr_; to join, yoke. ] (Rhet.) A figure by which a word is repeated with vehemence or emphasis, as in the following lines: -- [ 1913 Webster ]

Alone, alone, all all alone,
Alone on a wide wide sea. Coleridge. [ 1913 Webster ]