English word decamillennial comes from English millennial, English deca-
| Dictionary entry | Language | Definition |
|---|---|---|
| millennial | English (eng) | A demographic term for a person from the generation born from around the early 1980's to the mid 1990's or early 2000's; individuals who reached adulthood early in the 3rd millennium, AD. (Christianity) Referring to the millennium: the millennial judgment.. Occurring at the end or beginning of a millennium.. Occurring every thousand years.. Referring to the 1,000th anniversary of an event or [...] |
| deca- | English (eng) | In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10. Symbol: da. Ten. |
| decamillennial | English (eng) | Occurring every ten thousand years. |