疊字 [叠－]

Jyutping dip6 zi6
Pinyin dié zì

Definitions (CC-CANTO)
  1. reduplication; reiterative locution; repetition of characters
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. noun
    reiterative locution; words composed of reduplicated monosyllables
Examples (粵典–words.hk)
  1. Cantonese
    加咗叠字，语气真系立时间唔同咗。
    加咗疊字，語氣真係立時間唔同咗。
    gaa1 zo2 dip6 zi6, jyu5 hei3 zan1 hai6 lap6 si4 gaan1 m4 tung4 zo2.
    • With duplicated words added, the tone sounds different at once.