Crossword Genius

Original idea (10)

Ross

I believe the answer is:

brainchild

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">original idea</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>

(Other definitions for brainchild that I've seen before include "One's original idea" , "Original idea or work" , "Invention" , "wheeze" , "Bright idea" .)

I've seen this clue in The Guardian and the Newsday.com.
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