nummulus
Nummulus is a term that has seen varied usage and interpretation across different contexts. Primarily, it is understood as a small, round, coin-like object. The word itself is derived from the Latin "nummus," meaning "coin." Historically, the term has been applied to various artifacts, not always exclusively ancient coins, but also to other small, circular, and often metallic objects found in archaeological contexts.
In some specialized fields, "nummulus" might refer to a particular type of token or a small weight
The study of nummuli, when they are indeed coins, falls under the discipline of numismatics, the collection