The scientist didn't actually name silver "argentum." The word "argentum" is the Latin word for silver. It's been used to refer to the element for centuries, long before modern science existed.

Here's a breakdown:

* Ancient Romans: They used the word "argentum" to refer to silver, likely derived from a Proto-Indo-European root meaning "shining" or "white."

* Alchemists: Alchemists in the Middle Ages used the Latin name "argentum" to refer to silver in their writings and experiments.

* Modern Science: When modern chemistry emerged, scientists adopted the existing Latin name "argentum" as the official name for the element silver.

So, while scientists didn't "name" silver, they adopted the already existing Latin name "argentum" for the element.