"The Island of the Day Before" author Umberto

The answer

ECO

3 letters. See every clue for this answer on the ECO answer page.

Used 6 times across 4 distinct years; most recently in 2025; first recorded in 1999. It appears in 3 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.

Other clues for ECO

Every other clue in this collection answered by ECO, most used first.

• Green prefix - used 431 times, most recently in 2026
• Author Umberto - used 184 times, most recently in 2026
• Earth-friendly prefix - used 181 times, most recently in 2026
• Environmental prefix - used 114 times, most recently in 2026
• ___-friendly - used 77 times, most recently in 2026
• "The Name of the Rose" author - used 77 times, most recently in 2025
• Prefix with friendly - used 72 times, most recently in 2025
• "Foucault's Pendulum" author - used 64 times, most recently in 2026
• Prefix with system - used 58 times, most recently in 2026
• Prefix with tourism - used 50 times, most recently in 2026
• System starter - used 49 times, most recently in 2025
• Environmentalist's prefix - used 34 times, most recently in 2025
• Writer Umberto - used 33 times, most recently in 2026
• Friendly introduction? - used 32 times, most recently in 2026
• ___-friendly (green) - used 31 times, most recently in 2026
• Prefix with conscious - used 29 times, most recently in 2026
• Novelist Umberto - used 27 times, most recently in 2026
• "The Name of the Rose" author Umberto - used 27 times, most recently in 2025
• Environmentally friendly prefix - used 24 times, most recently in 2026
• Green start - used 24 times, most recently in 2026
• "The Name of the Rose" writer - used 20 times, most recently in 2025
• Earth Day prefix - used 18 times, most recently in 2025
• "Foucault's Pendulum" author Umberto - used 18 times, most recently in 2025
• Prefix for friendly - used 18 times, most recently in 2025
• "The Island of the Day Before" author - used 18 times, most recently in 2024
• "Baudolino" author - used 16 times, most recently in 2024
• Prefix for system - used 16 times, most recently in 2025
• Friendly opening? - used 15 times, most recently in 2024
• Logical beginning? - used 14 times, most recently in 2026
• Prefix with sphere - used 14 times, most recently in 2025
• Prefix with warrior - used 13 times, most recently in 2021
• Habitat: Prefix - used 12 times, most recently in 1995
• Green - used 11 times, most recently in 2026
• Green opening - used 11 times, most recently in 2026
• Prefix with hazard - used 11 times, most recently in 2018
• Prefix with tourist - used 11 times, most recently in 2021
• "The Name of the Rose" writer Umberto - used 11 times, most recently in 2024
• "Baudolino" novelist - used 10 times, most recently in 2018
• Prefix with logical - used 10 times, most recently in 2025
• System start-up? - used 10 times, most recently in 2019
• "The Name of the Rose" novelist Umberto - used 10 times, most recently in 2025
• Green starter? - used 9 times, most recently in 2023
• Prefix for tourism - used 9 times, most recently in 2024
• Sustainability prefix - used 9 times, most recently in 2026
• Environmentally friendly - used 8 times, most recently in 2014
• __-friendly (good for the environment) - used 8 times, most recently in 2026
• Green beginning - used 8 times, most recently in 2026
• He wrote "The Name of the Rose" - used 8 times, most recently in 2008
• Nature prefix - used 8 times, most recently in 2012
• Prefix for sphere - used 8 times, most recently in 2023
• Prefix meaning "green" - used 8 times, most recently in 2025
• Prefix with -cide - used 8 times, most recently in 2023
• ___-conscious - used 7 times, most recently in 2025
• Conservationist's prefix - used 7 times, most recently in 2025
• Environment-related prefix - used 7 times, most recently in 2023
• Friendly beginning? - used 7 times, most recently in 2026
• ___-friendly (not harmful to the environment) - used 7 times, most recently in 2026
• ___-friendly (safe for the environment) - used 7 times, most recently in 2022
• Green, in a sense - used 7 times, most recently in 2015
• Prefix with "friendly" or "tourism" - used 7 times, most recently in 2025
• Prefix with system or sphere - used 7 times, most recently in 2009
• "A Theory of Semiotics" author - used 6 times, most recently in 2019
• "Baudolino" author Umberto - used 6 times, most recently in 2021
• Earth First prefix - used 6 times, most recently in 2010
• Environment: Prefix - used 6 times, most recently in 2026
• "Foucault's Pendulum" writer - used 6 times, most recently in 2014
• Friendly prefix - used 6 times, most recently in 2025
• "Numero Zero" author - used 6 times, most recently in 2022
• Prefix with terrorism - used 6 times, most recently in 2019
• Sphere opening - used 6 times, most recently in 2014
• Tourism prefix - used 6 times, most recently in 2026
• Tree-hugger's prefix - used 6 times, most recently in 2010
• ___-warrior - used 6 times, most recently in 2025

Related clues

Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.

• In the past - AGO, used 1,064 times
• In the style of - ALA, used 784 times
• Before - ERE, used 733 times
• Under the weather - ILL, used 536 times
• "___ the season ..." - TIS, used 398 times
• To the ___ degree - NTH, used 389 times

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