scudo
noun
scu·do ˈskü-(ˌ)dō 
plural scudi ˈskü-(ˌ)dē
1
: a gold or silver coin formerly used in Italy
2
: a unit of value equivalent to a scudo
Word History
Etymology
Italian, literally, shield, from Latin scutum — more at esquire
First Known Use
1644, in the meaning defined at sense 1