D defs.my
Entry 3 senses Webster, 1913

Reduplication

/(-k?sh?n)/ · Re·du·pli·ca·tion · IPA /ɹəˌd(j)u.pləˈkeɪ.ʃən/
01 n. The act of doubling, or the state of being doubled.
  1. 1.
    The act of doubling, or the state of being doubled.
  2. 2.
    A figure in which the first word of a verse is the same as the last word of the preceding verse.(Pros.)
  3. 3.
    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.(Philol.)