brainchild

or brain-child, brain child

[ breyn-chahyld ]

noun

, plural brain·chil·dren.

1. a product of one's creative work or thought.

brainchild

/ ˈbreɪnˌtʃaɪld /

noun

1. informal.
   an idea or plan produced by creative thought; invention

Word History and Origins

Origin of brainchild¹

First recorded in 1880–85; brain + child

Example Sentences

"That first 18 league was basically the brainchild and the inspiration of the 1999 World Cup, and so that was the first start of an iteration of a league that was professional for women's soccer."

From BBC

The TikTok project is the brainchild of Mr Key, who has also worked at the restaurant for about three years.

From BBC

It was the brainchild of French President Emmanuel Macron - launched following Russia’s full-scale invasion of Ukraine as a talking-shop to jointly tackle continental challenges.

From BBC

It was the brainchild of a local priest who also helped design the buildings famous dome roof.

From BBC

The idea was the brainchild of Owen, who saw there was a gap in the market for people like him who wanted a good night out, but not late at night.

From BBC