from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Counted from the creation of the world.
from The Century Dictionary and Cyclopedia
- n. In the year of the world: used in dating events when reckoned from the estimated era of the creation, as narrated in Genesis i. Usually abbreviated A. M.: as, the Noachian deluge is said to have occurred A. M. (or a. m.) 1656 (Archbishop Usher's chronology).
Latin anno + mundi (Wiktionary)