This is the 6055th most frequent French word.
dépoussiérer
To remove dust.
In this sentence, 'dépoussiérer' is used in its literal sense, meaning to remove dust from physical objects like furniture.
J'ai décidé de dépoussiérer tous les meubles avant l'arrivée des invités.
I decided to dust off all the furniture before the guests arrived.
Here, 'dépoussiérer' is used metaphorically to mean updating or refreshing something, in this case, practices.
Pour moderniser l'entreprise, il serait utile de dépoussiérer nos anciennes pratiques.
To modernize the company, it would be useful to revamp our old practices.
In this context, 'dépoussiérer' metaphorically represents reviving or bringing attention to something that has been overlooked or forgotten.