bonanza

باللغة العربية: مَنْجَم ذَهَب، ثَرْوَة مُفاجِئَة، طَفْرَة

1. A rich mine or vein of silver or gold.
2. The point at which two mother lodes intersect.
3. Anything which is a great source of wealth or yields a large income or return. (figuratively) · The popular show quickly became a ratings bonanza for the network.

الجمع bonanzas