This is the 3498th most frequent French word.
dubois
"Dubois" is a French surname meaning "of the woods" or "from the woods."
Here, 'Dubois' is used as a proper noun, the surname of an individual, Mr. Dubois.
Je vais acheter un meuble en bois utilisé par Monsieur Dubois.
I will buy a wooden piece of furniture used by Mr. Dubois.
In this case, 'dubois' is a composite word denoting a small forest or copse, formed by 'du' (of the) and 'bois' (wood, forest).
Le chemin passe par un joli petit dubois près de la ville.
The path goes through a nice small woodland near the town.
Here, 'dubois' signifies 'wood' as a material being worked upon, derived from 'du' (of the) and 'bois' (wood).