積習 [积习]

Jyutping zik1 zaap6
Pinyin jī xí

Definitions (CC-CEDICT)
  1. old habit (usually bad)
  2. inbred custom
  3. deep-rooted practice
Definitions (Wiktionary)
  1. noun
    habit; long-standing practice
  2. verb, literary
    to be skillful; to be adept
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）