Crossword Genius

Green prefix (3)

Ross

I believe the answer is:

eco

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">green prefix</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 eco that I've seen before include "Umberto --, Italian writer" , "Green prefix" , "Umberto - - , novelist" , "Environmental group" , "Umberto -, Italian author (The Name of the Rose)" .)

I've seen this clue in The Wall Street Journal, the Newsday, The New York Times, the LA Times, the Universal, the King Feature Syndicate, the USA Today and the Penny Press.
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