Here is a worksheet on the Greek root cycl-o. It means circle and wheel. So you won’t be surprise that this productive root yields commonly used words in English such as bicycle, cycle, and cyclone, and for some reason, encyclopedia. Does anyone with linguistic skills know why encyclopedia ends up on this list? How do reference books stem from a root that means circle and wheel?
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.