疊代 [叠－]

Jyutping daap6 doi6
Pinyin dié dài

Definitions (Wiktionary)
  1. verb, literary
    to replace; to alternate; to interchange
    (syn.) 替, 更換, 接替, 交替, 代替, 更替, 迭代, 更换, 岔换, 替换, 調換, 替換, 岔換, 调换, 替代, 取代, 更代