Daily Themed Crossword · Clue Answer
Earth-friendly prefix with system
Clue
Earth-friendly prefix with system
Answer
ECO
3 letters
Appeared in 1 Puzzle
About This Clue
The Daily Themed Crossword clue "Earth-friendly prefix with system" has the answer ECO (3 letters). This clue has appeared in 1 Daily Themed Crossword puzzle — most recently on February 24, 2026.
The Daily Themed Crossword by PlaySimple Games features a new themed puzzle every day. Each puzzle contains around 60–70 clues connected by a central theme. Browse the full archive for complete solutions to every puzzle since October 2017.
Author: Answers verified by Naomi Forster, Daily Themed Crossword specialist.