It is derived from the Greek word "deka," meaning "ten."
Here are some examples of words using the prefix "deca-":
* Decagram (dag): A unit of mass equal to ten grams.
* Decaliter (dal): A unit of volume equal to ten liters.
* Decameter (dam): A unit of length equal to ten meters.
* Decade: A period of ten years.
* Decathlon: An athletic contest consisting of ten events.