This is the 12153rd most frequent French word.
vendue
"Vendue" means "sold" in English.
In this sentence, 'vendue' is used as the past participle of the verb 'vendre' (to sell) in the passive voice, indicating that the subject (the house) is the object of the sale.
La maison a été vendue hier.
The house was sold yesterday.
Here, 'vendue' acts metaphorically, indicating being convinced or entirely supportive about an idea.
Elle semble vendue à l'idée de partir dans un autre pays.
She seems to be sold on the idea of moving to another country.
In this context, 'vendue' is once again the past participle of 'vendre', denoting a completed act of sale regarding the artwork.