What does the root word luster mean?

The root word "luster" means shine or brightness. It comes from the Old French word "lustrer," which means "to shine" or "to polish."

Here are some examples of how "luster" is used in words:

* Lustrous: having a shiny or glossy surface.

* Elucidate: to make clear or explain, like shining light on a topic.

* Illustrious: very famous and admired, like a shining star.