This is the 1093rd most frequent French word.
robert
In French, "robert" is primarily a proper noun, used as a first name equivalent to "Robert" in English.
Here, 'Robert' is a proper noun indicating possession using the preposition 'de'.
Un livre de Robert est sur la table.
One of Robert's books is on the table.
In this usage, 'Le robert' refers to a brand of dictionaries, serving as a common noun.
Le robert est un dictionnaire bien connu en France.
Le robert is a well-known dictionary in France.
The word 'Robert' is used as a proper noun, representing a person's name.