This is the 6th most frequent French word.
un
The French word "un" means "a" or "one" in English.
Here, 'un' is used as the indefinite article for a masculine noun in singular form, indicating a non-specific item.
Je vois un chat.
I see a cat.
In this case, 'un' serves as the indefinite article before a masculine singular noun, implying any pencil and not a specific one.
Chaque élève doit apporter un crayon.
Each student must bring a pencil.
Here, 'un' is used as the numeral meaning 'one', signifying a single item from a group.