decadrachm
noun
dec·a·drachm
ˈdekəˌdram
plural -s
: an ancient Greek silver coin worth 10 drachms
Note: Because of its large denomination, the decadrachm is thought by many to have been primarily commemorative. Thus, a high quality of artistry is reflected in the design of the decadrachm.
Word History
Etymology
deca- + drachm