bonanza

 
Pronunciation: /bəˈnanzə/

noun

  • a situation which creates a sudden increase in wealth, good fortune, or profits: a natural gas bonanza for Britain [as modifier]: a bonanza year for the computer industry
  • a large amount of something desirable: the festive feature-film bonanza

Origin:

early 19th century (originally US, especially with reference to success when mining): from Spanish, literally 'fair weather, prosperity', from Latin bonus 'good'