from the GNU version of the Collaborative International Dictionary of English
- n. A celebrated collection of tales, supposed to be related in ten days; -- written in the 14th century, by Boccaccio, an Italian.
Sorry, no etymologies found.
That was the case for the original Decameron (1350s), the Heptameron (1550s, dubbed the French decameron) and lastly, the Pentameron (1630s).
The decameron containing an hundred pleasant nouels.
The prospect outside ought to be very dark, and rife with peril, to induce a man to resign himself deliberately to another decameron here. [