burgeon
/ˈbɜːdʒən/verb
no obj.［often as adj. burgeoning］
- begin to grow or increase rapidly; flourish迅速增长; 繁荣发展：
manufacturers are keen to cash in on the burgeoning demand.
需求急速增长, 制造商急着从中捞一把。
词源
Middle English: from Old French bourgeonner 'put out buds'， from borjon 'bud'， based on late Latin burra 'wool'.