勃發 [－发]

Jyutping but6 faat3
Pinyin bó fā

Definitions (CC-CEDICT)
  1. to sprout up
  2. to flourish
  3. (of war etc) to break out
  4. rapid growth
Definitions (Wiktionary)
  1. verb, formal
    to break out suddenly
  2. verb, formal
    to thrive; to be spirited