bonanza /bə-nanˈzə or bəʊ- or bo-/

1. A rich mine or vein of precious ore (N American)
2. A large amount of (usu) silver
3. Any source of wealth or stroke of luck

Very prosperous

• winter-grounded
• winter-grounding
• winter-grounds
• winter heliotrope
• winter heliotropes
• winterier
• winteriest
• wintering
• winterisation
• winterisations
• winterise
• winterised
• winterises
• winterising
• winterization
• winterizations
• winterize
• winterized
• winterizes
• winterizing
• winter jasmine
• winter jasmines
• winterkill
• winterkilled
• winterkilling