更番

gēngfān
  1. alternately
  2. by turns

CEDICT

alternately; by turns

Wiktionary

輪流調換。《舊唐書．卷九七．張說傳》：「旬日，得精兵一十三萬人，分繫諸衛，更番上下，以實京師，其後彍騎是也。」《聊齋志異．卷三．夜叉國》：「項下各挂明珠一串，更番出門。」也作「更迭」。

重編國語辭典

Entry Composition

1 更 gēng
  1. to change or replace
  2. to experience
  3. one of the five two-hour periods into which the night was formerly divided
  4. watch (e.g. of a sentry or guard)
2 番 fān
  1. (bound form) foreign (non-Chinese); barbarian
  2. classifier for processes or actions that take time and effort
  3. (classifier) a kind; a sort
  4. (classifier) (used after the verb 翻 fān to indicate how many times a quantity doubles, as in 翻一番 fānyīfān "to double")

Related entries

迭 dié
  1. alternately
  2. repeatedly
交互 jiāohù
  1. mutual
  2. interactive
  3. each other
  4. alternately
  5. in turn
  6. interaction
輪次 lúncì
  1. in turn
  2. by turns
  3. lap
  4. turn
  5. round
  6. classifier for laps, turns, rounds