reduplication Meaning, Definition & Usage

  1. noun repetition of the final words of a sentence or line at the beginning of the next
    anadiplosis.
  2. noun the syllable added in a reduplicated word form
  3. noun a word formed by or containing a repeated syllable or speech sound (usually at the beginning of the word)
  4. noun the act of repeating over and again (or an instance thereof)
    reiteration.

WordNet

Re*du`pli*ca"tion noun
Etymology
Cf. F. réduplication, L. reduplicatio repetition.
Definitions
  1. The act of doubling, or the state of being doubled.
  2. (Pros.) A figure in which the first word of a verse is the same as the last word of the preceding verse.
  3. (Philol.) The doubling of a stem or syllable (more or less modified), with the effect of changing the time expressed, intensifying the meaning, or making the word more imitative; also, the syllable thus added; as, L. tetuli; poposci.

Webster 1913