Here's a breakdown:

* Silicon is the English name for the element.

* Silicium is the Latin name for the element, derived from the Latin word "silex," which means "flint."

* Si is the symbol used in the periodic table, created by Jöns Jacob Berzelius in the early 19th century. He used the first letter of the Latin name for most elements.

So, the atomic symbol "Si" for silicon is a direct result of the Latin language, which was the primary scientific language at the time.