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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
The modern form was probably borrowed into English and other European languages from Dutch gekko (1718). Contemporary English forms were chacco (1711) and jackoa (1724). The further origin is not quite clear. Some sources mention a supposed Malay gekok, gekoq, or gekop, which would be imitative of the gecko’s chirping sound. Another theory derives it from Acehnese gèh-gòh (“busy”).
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Classic usage
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