This is the 1720th most frequent French word.
accompagné
Accompanied; attended; escorted.
In this sentence, 'accompagné' is used in a passive construction that describes the state of the subject being in the company of the dog.
Il est souvent accompagné de son chien lors de ses promenades.
He is often accompanied by his dog during his walks.
Here, 'accompagné' appears as part of a verb that indicates the subject actively going along with others to a location.
Elle a accompagné ses amis au musée hier.
She accompanied her friends to the museum yesterday.
In this usage, 'accompagné' illustrates a complementary pairing or association between two elements.